9902421

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 14867424

約数和(自身を除く): 4965003

約数列:

[1, 3, 9, 37, 111, 131, 227, 333, 393, 681, 1179, 2043, 4847, 8399, 14541, 25197, 29737, 43623, 75591, 89211, 267633, 1100269, 3300807, 9902421]

約数ペア:

[(1, 9902421), (3, 3300807), (9, 1100269), (37, 267633), (111, 89211), (131, 75591), (227, 43623), (333, 29737), (393, 25197), (681, 14541), (1179, 8399), (2043, 4847)]