280274865981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1\times {\mathrm{1279}}^1$

素因数の和:2570

約数の個数: 64

約数和(自身を含む): 421134336000

約数和(自身を除く): 140859470019

約数列:

[1, 3, 11, 33, 41, 123, 149, 447, 451, 1087, 1279, 1353, 1639, 3261, 3837, 4917, 6109, 11957, 14069, 18327, 35871, 42207, 44567, 52439, 67199, 133701, 157317, 161963, 190571, 201597, 485889, 490237, 571713, 576829, 1390273, 1470711, 1730487, 1781593, 2096281, 4170819, 5344779, 6288843, 6640483, 7813411, 15293003, 19921449, 23440233, 45879009, 57001193, 73045313, 85947521, 171003579, 207150677, 219135939, 257842563, 621452031, 627013123, 1881039369, 2278657447, 6835972341, 8493177757, 25479533271, 93424955327, 280274865981]

約数ペア:

[(1, 280274865981), (3, 93424955327), (11, 25479533271), (33, 8493177757), (41, 6835972341), (123, 2278657447), (149, 1881039369), (447, 627013123), (451, 621452031), (1087, 257842563), (1279, 219135939), (1353, 207150677), (1639, 171003579), (3261, 85947521), (3837, 73045313), (4917, 57001193), (6109, 45879009), (11957, 23440233), (14069, 19921449), (18327, 15293003), (35871, 7813411), (42207, 6640483), (44567, 6288843), (52439, 5344779), (67199, 4170819), (133701, 2096281), (157317, 1781593), (161963, 1730487), (190571, 1470711), (201597, 1390273), (485889, 576829), (490237, 571713)]