126666666

素因数分解:

$2^1\times 3^8\times 7^2\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 108

約数和(自身を含む): 333196578

約数和(自身を除く): 206529912

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 197, 243, 294, 378, 394, 441, 486, 567, 591, 729, 882, 1134, 1182, 1323, 1379, 1458, 1701, 1773, 2187, 2646, 2758, 3402, 3546, 3969, 4137, 4374, 5103, 5319, 6561, 7938, 8274, 9653, 10206, 10638, 11907, 12411, 13122, 15309, 15957, 19306, 23814, 24822, 28959, 30618, 31914, 35721, 37233, 45927, 47871, 57918, 71442, 74466, 86877, 91854, 95742, 107163, 111699, 143613, 173754, 214326, 223398, 260631, 287226, 321489, 335097, 430839, 521262, 642978, 670194, 781893, 861678, 1005291, 1292517, 1563786, 2010582, 2345679, 2585034, 3015873, 4691358, 6031746, 7037037, 9047619, 14074074, 18095238, 21111111, 42222222, 63333333, 126666666]

約数ペア:

[(1, 126666666), (2, 63333333), (3, 42222222), (6, 21111111), (7, 18095238), (9, 14074074), (14, 9047619), (18, 7037037), (21, 6031746), (27, 4691358), (42, 3015873), (49, 2585034), (54, 2345679), (63, 2010582), (81, 1563786), (98, 1292517), (126, 1005291), (147, 861678), (162, 781893), (189, 670194), (197, 642978), (243, 521262), (294, 430839), (378, 335097), (394, 321489), (441, 287226), (486, 260631), (567, 223398), (591, 214326), (729, 173754), (882, 143613), (1134, 111699), (1182, 107163), (1323, 95742), (1379, 91854), (1458, 86877), (1701, 74466), (1773, 71442), (2187, 57918), (2646, 47871), (2758, 45927), (3402, 37233), (3546, 35721), (3969, 31914), (4137, 30618), (4374, 28959), (5103, 24822), (5319, 23814), (6561, 19306), (7938, 15957), (8274, 15309), (9653, 13122), (10206, 12411), (10638, 11907)]