2451285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 4642560

約数和(自身を除く): 2191275

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 61, 95, 141, 171, 183, 235, 285, 305, 423, 549, 705, 855, 893, 915, 1159, 2115, 2679, 2745, 2867, 3477, 4465, 5795, 8037, 8601, 10431, 13395, 14335, 17385, 25803, 40185, 43005, 52155, 54473, 129015, 163419, 272365, 490257, 817095, 2451285]

約数ペア:

[(1, 2451285), (3, 817095), (5, 490257), (9, 272365), (15, 163419), (19, 129015), (45, 54473), (47, 52155), (57, 43005), (61, 40185), (95, 25803), (141, 17385), (171, 14335), (183, 13395), (235, 10431), (285, 8601), (305, 8037), (423, 5795), (549, 4465), (705, 3477), (855, 2867), (893, 2745), (915, 2679), (1159, 2115)]