31305123

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13327}}^1$

素因数の和:13368

約数の個数: 20

約数和(自身を含む): 48380640

約数和(自身を除く): 17075517

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13327, 39981, 119943, 359829, 386483, 1079487, 1159449, 3478347, 10435041, 31305123]

約数ペア:

[(1, 31305123), (3, 10435041), (9, 3478347), (27, 1159449), (29, 1079487), (81, 386483), (87, 359829), (261, 119943), (783, 39981), (2349, 13327)]