2143845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 4178304

約数和(自身を除く): 2034459

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 61, 71, 99, 165, 183, 213, 305, 355, 495, 549, 639, 671, 781, 915, 1065, 2013, 2343, 2745, 3195, 3355, 3905, 4331, 6039, 7029, 10065, 11715, 12993, 21655, 30195, 35145, 38979, 47641, 64965, 142923, 194895, 238205, 428769, 714615, 2143845]

約数ペア:

[(1, 2143845), (3, 714615), (5, 428769), (9, 238205), (11, 194895), (15, 142923), (33, 64965), (45, 47641), (55, 38979), (61, 35145), (71, 30195), (99, 21655), (165, 12993), (183, 11715), (213, 10065), (305, 7029), (355, 6039), (495, 4331), (549, 3905), (639, 3355), (671, 3195), (781, 2745), (915, 2343), (1065, 2013)]