211314125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 289201536

約数和(自身を除く): 77887411

約数列:

[1, 5, 11, 25, 55, 125, 275, 313, 491, 1375, 1565, 2455, 3443, 5401, 7825, 12275, 17215, 27005, 39125, 61375, 86075, 135025, 153683, 430375, 675125, 768415, 1690513, 3842075, 8452565, 19210375, 42262825, 211314125]

約数ペア:

[(1, 211314125), (5, 42262825), (11, 19210375), (25, 8452565), (55, 3842075), (125, 1690513), (275, 768415), (313, 675125), (491, 430375), (1375, 153683), (1565, 135025), (2455, 86075), (3443, 61375), (5401, 39125), (7825, 27005), (12275, 17215)]