220153311

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 374400000

約数和(自身を除く): 154246689

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 149, 329, 423, 447, 499, 987, 1043, 1341, 1497, 2961, 3129, 3493, 4491, 7003, 9387, 10479, 21009, 23453, 31437, 49021, 63027, 70359, 74351, 147063, 164171, 211077, 223053, 441189, 492513, 520457, 669159, 1477539, 1561371, 3494497, 4684113, 10483491, 24461479, 31450473, 73384437, 220153311]

約数ペア:

[(1, 220153311), (3, 73384437), (7, 31450473), (9, 24461479), (21, 10483491), (47, 4684113), (63, 3494497), (141, 1561371), (149, 1477539), (329, 669159), (423, 520457), (447, 492513), (499, 441189), (987, 223053), (1043, 211077), (1341, 164171), (1497, 147063), (2961, 74351), (3129, 70359), (3493, 63027), (4491, 49021), (7003, 31437), (9387, 23453), (10479, 21009)]