28929375

素因数分解:

$3^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 54013960

約数和(自身を除く): 25084585

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 139, 185, 225, 333, 375, 417, 555, 625, 695, 925, 1125, 1251, 1665, 1875, 2085, 2775, 3475, 4625, 5143, 5625, 6255, 8325, 10425, 13875, 15429, 17375, 23125, 25715, 31275, 41625, 46287, 52125, 69375, 77145, 86875, 128575, 156375, 208125, 231435, 260625, 385725, 642875, 781875, 1157175, 1928625, 3214375, 5785875, 9643125, 28929375]

約数ペア:

[(1, 28929375), (3, 9643125), (5, 5785875), (9, 3214375), (15, 1928625), (25, 1157175), (37, 781875), (45, 642875), (75, 385725), (111, 260625), (125, 231435), (139, 208125), (185, 156375), (225, 128575), (333, 86875), (375, 77145), (417, 69375), (555, 52125), (625, 46287), (695, 41625), (925, 31275), (1125, 25715), (1251, 23125), (1665, 17375), (1875, 15429), (2085, 13875), (2775, 10425), (3475, 8325), (4625, 6255), (5143, 5625)]