13870485

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 25379328

約数和(自身を除く): 11508843

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 155, 163, 183, 279, 305, 465, 489, 549, 815, 915, 1395, 1467, 1891, 2445, 2745, 5053, 5673, 7335, 9455, 9943, 15159, 17019, 25265, 28365, 29829, 45477, 49715, 75795, 85095, 89487, 149145, 227385, 308233, 447435, 924699, 1541165, 2774097, 4623495, 13870485]

約数ペア:

[(1, 13870485), (3, 4623495), (5, 2774097), (9, 1541165), (15, 924699), (31, 447435), (45, 308233), (61, 227385), (93, 149145), (155, 89487), (163, 85095), (183, 75795), (279, 49715), (305, 45477), (465, 29829), (489, 28365), (549, 25265), (815, 17019), (915, 15159), (1395, 9943), (1467, 9455), (1891, 7335), (2445, 5673), (2745, 5053)]