215938863

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{24659}}^1$

素因数の和:24811

約数の個数: 24

約数和(自身を含む): 359049600

約数和(自身を除く): 143110737

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 24659, 73977, 172613, 221931, 517839, 1553517, 3427601, 10282803, 23993207, 30848409, 71979621, 215938863]

約数ペア:

[(1, 215938863), (3, 71979621), (7, 30848409), (9, 23993207), (21, 10282803), (63, 3427601), (139, 1553517), (417, 517839), (973, 221931), (1251, 172613), (2919, 73977), (8757, 24659)]