31397253

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 45098208

約数和(自身を除く): 13700955

約数列:

[1, 3, 19, 53, 57, 159, 361, 547, 1007, 1083, 1641, 3021, 10393, 19133, 28991, 31179, 57399, 86973, 197467, 550829, 592401, 1652487, 10465751, 31397253]

約数ペア:

[(1, 31397253), (3, 10465751), (19, 1652487), (53, 592401), (57, 550829), (159, 197467), (361, 86973), (547, 57399), (1007, 31179), (1083, 28991), (1641, 19133), (3021, 10393)]