28462725

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 52824000

約数和(自身を除く): 24361275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 283, 447, 675, 745, 849, 1341, 1415, 2235, 2547, 3725, 4023, 4245, 6705, 7075, 7641, 11175, 12735, 20115, 21225, 33525, 38205, 42167, 63675, 100575, 126501, 191025, 210835, 379503, 632505, 1054175, 1138509, 1897515, 3162525, 5692545, 9487575, 28462725]

約数ペア:

[(1, 28462725), (3, 9487575), (5, 5692545), (9, 3162525), (15, 1897515), (25, 1138509), (27, 1054175), (45, 632505), (75, 379503), (135, 210835), (149, 191025), (225, 126501), (283, 100575), (447, 63675), (675, 42167), (745, 38205), (849, 33525), (1341, 21225), (1415, 20115), (2235, 12735), (2547, 11175), (3725, 7641), (4023, 7075), (4245, 6705)]