27454375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 38487680

約数和(自身を除く): 11033305

約数列:

[1, 5, 13, 25, 31, 65, 109, 125, 155, 325, 403, 545, 625, 775, 1417, 1625, 2015, 2725, 3379, 3875, 7085, 8125, 10075, 13625, 16895, 19375, 35425, 43927, 50375, 68125, 84475, 177125, 219635, 251875, 422375, 885625, 1098175, 2111875, 5490875, 27454375]

約数ペア:

[(1, 27454375), (5, 5490875), (13, 2111875), (25, 1098175), (31, 885625), (65, 422375), (109, 251875), (125, 219635), (155, 177125), (325, 84475), (403, 68125), (545, 50375), (625, 43927), (775, 35425), (1417, 19375), (1625, 16895), (2015, 13625), (2725, 10075), (3379, 8125), (3875, 7085)]