397345905

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 787564800

約数和(自身を除く): 390218895

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 79, 81, 99, 135, 165, 237, 297, 395, 405, 495, 711, 869, 891, 1129, 1185, 1485, 2133, 2607, 3387, 3555, 4345, 4455, 5645, 6399, 7821, 10161, 10665, 12419, 13035, 16935, 23463, 30483, 31995, 37257, 39105, 50805, 62095, 70389, 89191, 91449, 111771, 117315, 152415, 186285, 267573, 335313, 351945, 445955, 457245, 558855, 802719, 981101, 1005939, 1337865, 1676565, 2408157, 2943303, 4013595, 4905505, 5029695, 7224471, 8829909, 12040785, 14716515, 26489727, 36122355, 44149545, 79469181, 132448635, 397345905]

約数ペア:

[(1, 397345905), (3, 132448635), (5, 79469181), (9, 44149545), (11, 36122355), (15, 26489727), (27, 14716515), (33, 12040785), (45, 8829909), (55, 7224471), (79, 5029695), (81, 4905505), (99, 4013595), (135, 2943303), (165, 2408157), (237, 1676565), (297, 1337865), (395, 1005939), (405, 981101), (495, 802719), (711, 558855), (869, 457245), (891, 445955), (1129, 351945), (1185, 335313), (1485, 267573), (2133, 186285), (2607, 152415), (3387, 117315), (3555, 111771), (4345, 91449), (4455, 89191), (5645, 70389), (6399, 62095), (7821, 50805), (10161, 39105), (10665, 37257), (12419, 31995), (13035, 30483), (16935, 23463)]