31228875

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 60902400

約数和(自身を除く): 29673525

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 375, 475, 487, 513, 675, 855, 1125, 1425, 1461, 2375, 2435, 2565, 3375, 4275, 4383, 7125, 7305, 9253, 12175, 12825, 13149, 21375, 21915, 27759, 36525, 46265, 60875, 64125, 65745, 83277, 109575, 138795, 182625, 231325, 249831, 328725, 416385, 547875, 693975, 1156625, 1249155, 1643625, 2081925, 3469875, 6245775, 10409625, 31228875]

約数ペア:

[(1, 31228875), (3, 10409625), (5, 6245775), (9, 3469875), (15, 2081925), (19, 1643625), (25, 1249155), (27, 1156625), (45, 693975), (57, 547875), (75, 416385), (95, 328725), (125, 249831), (135, 231325), (171, 182625), (225, 138795), (285, 109575), (375, 83277), (475, 65745), (487, 64125), (513, 60875), (675, 46265), (855, 36525), (1125, 27759), (1425, 21915), (1461, 21375), (2375, 13149), (2435, 12825), (2565, 12175), (3375, 9253), (4275, 7305), (4383, 7125)]