139125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{53}}^1$

素因数の和:78

約数の個数: 32

約数和(自身を含む): 269568

約数和(自身を除く): 130443

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 125, 159, 175, 265, 371, 375, 525, 795, 875, 1113, 1325, 1855, 2625, 3975, 5565, 6625, 9275, 19875, 27825, 46375, 139125]

約数ペア:

[(1, 139125), (3, 46375), (5, 27825), (7, 19875), (15, 9275), (21, 6625), (25, 5565), (35, 3975), (53, 2625), (75, 1855), (105, 1325), (125, 1113), (159, 875), (175, 795), (265, 525), (371, 375)]