216971125

素因数分解:

$5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3701}}^1$

素因数の和:3790

約数の個数: 32

約数和(自身を含む): 314166528

約数和(自身を除く): 97195403

約数列:

[1, 5, 7, 25, 35, 67, 125, 175, 335, 469, 875, 1675, 2345, 3701, 8375, 11725, 18505, 25907, 58625, 92525, 129535, 247967, 462625, 647675, 1239835, 1735769, 3238375, 6199175, 8678845, 30995875, 43394225, 216971125]

約数ペア:

[(1, 216971125), (5, 43394225), (7, 30995875), (25, 8678845), (35, 6199175), (67, 3238375), (125, 1735769), (175, 1239835), (335, 647675), (469, 462625), (875, 247967), (1675, 129535), (2345, 92525), (3701, 58625), (8375, 25907), (11725, 18505)]