72487071

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3889}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 111254000

約数和(自身を除く): 38766929

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 3889, 6213, 11667, 18639, 35001, 73891, 221673, 423901, 665019, 1271703, 3815109, 8054119, 24162357, 72487071]

約数ペア:

[(1, 72487071), (3, 24162357), (9, 8054119), (19, 3815109), (57, 1271703), (109, 665019), (171, 423901), (327, 221673), (981, 73891), (2071, 35001), (3889, 18639), (6213, 11667)]