149840925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 268191168

約数和(自身を除く): 118350243

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 313, 325, 491, 939, 975, 1473, 1565, 2455, 4069, 4695, 6383, 7365, 7825, 12207, 12275, 19149, 20345, 23475, 31915, 36825, 61035, 95745, 101725, 153683, 159575, 305175, 461049, 478725, 768415, 1997879, 2305245, 3842075, 5993637, 9989395, 11526225, 29968185, 49946975, 149840925]

約数ペア:

[(1, 149840925), (3, 49946975), (5, 29968185), (13, 11526225), (15, 9989395), (25, 5993637), (39, 3842075), (65, 2305245), (75, 1997879), (195, 768415), (313, 478725), (325, 461049), (491, 305175), (939, 159575), (975, 153683), (1473, 101725), (1565, 95745), (2455, 61035), (4069, 36825), (4695, 31915), (6383, 23475), (7365, 20345), (7825, 19149), (12207, 12275)]