248331375

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{3109}}^1$

素因数の和:3201

約数の個数: 48

約数和(自身を含む): 454109760

約数和(自身を除く): 205778385

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 639, 1065, 1125, 1775, 3109, 3195, 5325, 8875, 9327, 15545, 15975, 26625, 27981, 46635, 77725, 79875, 139905, 220739, 233175, 388625, 662217, 699525, 1103695, 1165875, 1986651, 3311085, 3497625, 5518475, 9933255, 16555425, 27592375, 49666275, 82777125, 248331375]

約数ペア:

[(1, 248331375), (3, 82777125), (5, 49666275), (9, 27592375), (15, 16555425), (25, 9933255), (45, 5518475), (71, 3497625), (75, 3311085), (125, 1986651), (213, 1165875), (225, 1103695), (355, 699525), (375, 662217), (639, 388625), (1065, 233175), (1125, 220739), (1775, 139905), (3109, 79875), (3195, 77725), (5325, 46635), (8875, 27981), (9327, 26625), (15545, 15975)]