28272465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 26240175

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 1559, 2015, 3627, 4677, 6045, 7795, 14031, 18135, 20267, 23385, 48329, 60801, 70155, 101335, 144987, 182403, 241645, 304005, 434961, 628277, 724935, 912015, 1884831, 2174805, 3141385, 5654493, 9424155, 28272465]

約数ペア:

[(1, 28272465), (3, 9424155), (5, 5654493), (9, 3141385), (13, 2174805), (15, 1884831), (31, 912015), (39, 724935), (45, 628277), (65, 434961), (93, 304005), (117, 241645), (155, 182403), (195, 144987), (279, 101335), (403, 70155), (465, 60801), (585, 48329), (1209, 23385), (1395, 20267), (1559, 18135), (2015, 14031), (3627, 7795), (4677, 6045)]