2156175

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^2$

素因数の和:97

約数の個数: 54

約数和(自身を含む): 4536168

約数和(自身を除く): 2379993

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 175, 185, 225, 259, 315, 333, 525, 555, 777, 925, 1295, 1369, 1575, 1665, 2331, 2775, 3885, 4107, 6475, 6845, 8325, 9583, 11655, 12321, 19425, 20535, 28749, 34225, 47915, 58275, 61605, 86247, 102675, 143745, 239575, 308025, 431235, 718725, 2156175]

約数ペア:

[(1, 2156175), (3, 718725), (5, 431235), (7, 308025), (9, 239575), (15, 143745), (21, 102675), (25, 86247), (35, 61605), (37, 58275), (45, 47915), (63, 34225), (75, 28749), (105, 20535), (111, 19425), (175, 12321), (185, 11655), (225, 9583), (259, 8325), (315, 6845), (333, 6475), (525, 4107), (555, 3885), (777, 2775), (925, 2331), (1295, 1665), (1369, 1575)]