71637225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 131134464

約数和(自身を除く): 59497239

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 355, 781, 825, 1065, 1223, 1775, 2343, 3669, 3905, 5325, 6115, 11715, 13453, 18345, 19525, 30575, 40359, 58575, 67265, 86833, 91725, 201795, 260499, 336325, 434165, 955163, 1008975, 1302495, 2170825, 2865489, 4775815, 6512475, 14327445, 23879075, 71637225]

約数ペア:

[(1, 71637225), (3, 23879075), (5, 14327445), (11, 6512475), (15, 4775815), (25, 2865489), (33, 2170825), (55, 1302495), (71, 1008975), (75, 955163), (165, 434165), (213, 336325), (275, 260499), (355, 201795), (781, 91725), (825, 86833), (1065, 67265), (1223, 58575), (1775, 40359), (2343, 30575), (3669, 19525), (3905, 18345), (5325, 13453), (6115, 11715)]