621297215

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 1021206528

約数和(自身を除く): 399909313

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 71, 77, 85, 119, 187, 191, 245, 355, 385, 497, 539, 595, 781, 833, 935, 955, 1207, 1309, 1337, 2101, 2485, 2695, 3247, 3479, 3905, 4165, 5467, 6035, 6545, 6685, 8449, 9163, 9359, 10505, 13277, 13561, 14707, 16235, 17395, 22729, 27335, 35717, 38269, 42245, 45815, 46795, 59143, 66385, 67805, 73535, 92939, 94927, 102949, 113645, 149171, 159103, 178585, 191345, 230537, 250019, 295715, 464695, 474635, 514745, 650573, 664489, 745855, 795515, 1044197, 1152685, 1250095, 1613759, 1750133, 2535907, 3252865, 3322445, 5220985, 7309379, 8068795, 8750665, 11296313, 12679535, 17751349, 36546895, 56481565, 88756745, 124259443, 621297215]

約数ペア:

[(1, 621297215), (5, 124259443), (7, 88756745), (11, 56481565), (17, 36546895), (35, 17751349), (49, 12679535), (55, 11296313), (71, 8750665), (77, 8068795), (85, 7309379), (119, 5220985), (187, 3322445), (191, 3252865), (245, 2535907), (355, 1750133), (385, 1613759), (497, 1250095), (539, 1152685), (595, 1044197), (781, 795515), (833, 745855), (935, 664489), (955, 650573), (1207, 514745), (1309, 474635), (1337, 464695), (2101, 295715), (2485, 250019), (2695, 230537), (3247, 191345), (3479, 178585), (3905, 159103), (4165, 149171), (5467, 113645), (6035, 102949), (6545, 94927), (6685, 92939), (8449, 73535), (9163, 67805), (9359, 66385), (10505, 59143), (13277, 46795), (13561, 45815), (14707, 42245), (16235, 38269), (17395, 35717), (22729, 27335)]