31190751

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 47733504

約数和(自身を除く): 16542753

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 2731, 3807, 8193, 11421, 24579, 73737, 128357, 221211, 385071, 663633, 1155213, 3465639, 10396917, 31190751]

約数ペア:

[(1, 31190751), (3, 10396917), (9, 3465639), (27, 1155213), (47, 663633), (81, 385071), (141, 221211), (243, 128357), (423, 73737), (1269, 24579), (2731, 11421), (3807, 8193)]