15405225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 28283904

約数和(自身を除く): 12878679

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 263, 275, 355, 781, 789, 825, 1065, 1315, 1775, 2343, 2893, 3905, 3945, 5325, 6575, 8679, 11715, 14465, 18673, 19525, 19725, 43395, 56019, 58575, 72325, 93365, 205403, 216975, 280095, 466825, 616209, 1027015, 1400475, 3081045, 5135075, 15405225]

約数ペア:

[(1, 15405225), (3, 5135075), (5, 3081045), (11, 1400475), (15, 1027015), (25, 616209), (33, 466825), (55, 280095), (71, 216975), (75, 205403), (165, 93365), (213, 72325), (263, 58575), (275, 56019), (355, 43395), (781, 19725), (789, 19525), (825, 18673), (1065, 14465), (1315, 11715), (1775, 8679), (2343, 6575), (2893, 5325), (3905, 3945)]