17987151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 30256128

約数和(自身を除く): 12268977

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1607, 3731, 4821, 11193, 11249, 20891, 33747, 62673, 65887, 146237, 197661, 438711, 461209, 856531, 1383627, 2569593, 5995717, 17987151]

約数ペア:

[(1, 17987151), (3, 5995717), (7, 2569593), (13, 1383627), (21, 856531), (39, 461209), (41, 438711), (91, 197661), (123, 146237), (273, 65887), (287, 62673), (533, 33747), (861, 20891), (1599, 11249), (1607, 11193), (3731, 4821)]