51278175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 101285184

約数和(自身を除く): 50007009

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 65, 75, 117, 141, 195, 225, 235, 325, 373, 423, 585, 611, 705, 975, 1119, 1175, 1833, 1865, 2115, 2925, 3055, 3357, 3525, 4849, 5499, 5595, 9165, 9325, 10575, 14547, 15275, 16785, 17531, 24245, 27495, 27975, 43641, 45825, 52593, 72735, 83925, 87655, 121225, 137475, 157779, 218205, 227903, 262965, 363675, 438275, 683709, 788895, 1091025, 1139515, 1314825, 2051127, 3418545, 3944475, 5697575, 10255635, 17092725, 51278175]

約数ペア:

[(1, 51278175), (3, 17092725), (5, 10255635), (9, 5697575), (13, 3944475), (15, 3418545), (25, 2051127), (39, 1314825), (45, 1139515), (47, 1091025), (65, 788895), (75, 683709), (117, 438275), (141, 363675), (195, 262965), (225, 227903), (235, 218205), (325, 157779), (373, 137475), (423, 121225), (585, 87655), (611, 83925), (705, 72735), (975, 52593), (1119, 45825), (1175, 43641), (1833, 27975), (1865, 27495), (2115, 24245), (2925, 17531), (3055, 16785), (3357, 15275), (3525, 14547), (4849, 10575), (5499, 9325), (5595, 9165)]