31485441

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 15447039

約数列:

[1, 3, 13, 39, 47, 89, 141, 193, 267, 579, 611, 1157, 1833, 2509, 3471, 4183, 7527, 9071, 12549, 17177, 27213, 51531, 54379, 117923, 163137, 223301, 353769, 669903, 807319, 2421957, 10495147, 31485441]

約数ペア:

[(1, 31485441), (3, 10495147), (13, 2421957), (39, 807319), (47, 669903), (89, 353769), (141, 223301), (193, 163137), (267, 117923), (579, 54379), (611, 51531), (1157, 27213), (1833, 17177), (2509, 12549), (3471, 9071), (4183, 7527)]