281871954

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3019}}^1$

素因数の和:3069

約数の個数: 128

約数和(自身を含む): 811776000

約数和(自身を除く): 529904046

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 234, 247, 266, 273, 342, 351, 378, 399, 494, 513, 546, 702, 741, 798, 819, 1026, 1197, 1482, 1638, 1729, 2223, 2394, 2457, 3019, 3458, 3591, 4446, 4914, 5187, 6038, 6669, 7182, 9057, 10374, 13338, 15561, 18114, 21133, 27171, 31122, 39247, 42266, 46683, 54342, 57361, 63399, 78494, 81513, 93366, 114722, 117741, 126798, 163026, 172083, 190197, 235482, 274729, 344166, 353223, 380394, 401527, 516249, 549458, 570591, 706446, 745693, 803054, 824187, 1032498, 1059669, 1141182, 1204581, 1491386, 1548747, 1648374, 2119338, 2237079, 2409162, 2472561, 3097494, 3613743, 4474158, 4945122, 5219851, 6711237, 7227486, 7417683, 10439702, 10841229, 13422474, 14835366, 15659553, 20133711, 21682458, 31319106, 40267422, 46978659, 93957318, 140935977, 281871954]

約数ペア:

[(1, 281871954), (2, 140935977), (3, 93957318), (6, 46978659), (7, 40267422), (9, 31319106), (13, 21682458), (14, 20133711), (18, 15659553), (19, 14835366), (21, 13422474), (26, 10841229), (27, 10439702), (38, 7417683), (39, 7227486), (42, 6711237), (54, 5219851), (57, 4945122), (63, 4474158), (78, 3613743), (91, 3097494), (114, 2472561), (117, 2409162), (126, 2237079), (133, 2119338), (171, 1648374), (182, 1548747), (189, 1491386), (234, 1204581), (247, 1141182), (266, 1059669), (273, 1032498), (342, 824187), (351, 803054), (378, 745693), (399, 706446), (494, 570591), (513, 549458), (546, 516249), (702, 401527), (741, 380394), (798, 353223), (819, 344166), (1026, 274729), (1197, 235482), (1482, 190197), (1638, 172083), (1729, 163026), (2223, 126798), (2394, 117741), (2457, 114722), (3019, 93366), (3458, 81513), (3591, 78494), (4446, 63399), (4914, 57361), (5187, 54342), (6038, 46683), (6669, 42266), (7182, 39247), (9057, 31122), (10374, 27171), (13338, 21133), (15561, 18114)]