90405147

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2393}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 140824656

約数和(自身を除く): 50419509

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 2393, 5397, 7179, 12593, 16751, 37779, 50253, 117257, 351771, 615001, 1845003, 4305007, 12915021, 30135049, 90405147]

約数ペア:

[(1, 90405147), (3, 30135049), (7, 12915021), (21, 4305007), (49, 1845003), (147, 615001), (257, 351771), (771, 117257), (1799, 50253), (2393, 37779), (5397, 16751), (7179, 12593)]