25639875

素因数分解:

$3^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 22882365

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 107, 125, 135, 213, 225, 321, 355, 375, 535, 639, 675, 963, 1065, 1125, 1605, 1775, 1917, 2675, 2889, 3195, 3375, 4815, 5325, 7597, 8025, 8875, 9585, 13375, 14445, 15975, 22791, 24075, 26625, 37985, 40125, 47925, 68373, 72225, 79875, 113955, 120375, 189925, 205119, 239625, 341865, 361125, 569775, 949625, 1025595, 1709325, 2848875, 5127975, 8546625, 25639875]

約数ペア:

[(1, 25639875), (3, 8546625), (5, 5127975), (9, 2848875), (15, 1709325), (25, 1025595), (27, 949625), (45, 569775), (71, 361125), (75, 341865), (107, 239625), (125, 205119), (135, 189925), (213, 120375), (225, 113955), (321, 79875), (355, 72225), (375, 68373), (535, 47925), (639, 40125), (675, 37985), (963, 26625), (1065, 24075), (1125, 22791), (1605, 15975), (1775, 14445), (1917, 13375), (2675, 9585), (2889, 8875), (3195, 8025), (3375, 7597), (4815, 5325)]