1557415215

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6871}}^1$

素因数の和:6981

約数の個数: 64

約数和(自身を含む): 2929121280

約数和(自身を除く): 1371706065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 73, 115, 135, 207, 219, 345, 365, 621, 657, 1035, 1095, 1679, 1971, 3105, 3285, 5037, 6871, 8395, 9855, 15111, 20613, 25185, 34355, 45333, 61839, 75555, 103065, 158033, 185517, 226665, 309195, 474099, 501583, 790165, 927585, 1422297, 1504749, 2370495, 2507915, 4266891, 4514247, 7111485, 7523745, 11536409, 13542741, 21334455, 22571235, 34609227, 57682045, 67713705, 103827681, 173046135, 311483043, 519138405, 1557415215]

約数ペア:

[(1, 1557415215), (3, 519138405), (5, 311483043), (9, 173046135), (15, 103827681), (23, 67713705), (27, 57682045), (45, 34609227), (69, 22571235), (73, 21334455), (115, 13542741), (135, 11536409), (207, 7523745), (219, 7111485), (345, 4514247), (365, 4266891), (621, 2507915), (657, 2370495), (1035, 1504749), (1095, 1422297), (1679, 927585), (1971, 790165), (3105, 501583), (3285, 474099), (5037, 309195), (6871, 226665), (8395, 185517), (9855, 158033), (15111, 103065), (20613, 75555), (25185, 61839), (34355, 45333)]