31272759

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17117}}^1$

素因数の和:17159

約数の個数: 24

約数和(自身を含む): 53408160

約数和(自身を除く): 22135401

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 17117, 51351, 119819, 154053, 359457, 496393, 1078371, 1489179, 3474751, 4467537, 10424253, 31272759]

約数ペア:

[(1, 31272759), (3, 10424253), (7, 4467537), (9, 3474751), (21, 1489179), (29, 1078371), (63, 496393), (87, 359457), (203, 154053), (261, 119819), (609, 51351), (1827, 17117)]