7557459

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 13762560

約数和(自身を除く): 6205101

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 47, 57, 91, 93, 133, 141, 217, 247, 273, 329, 399, 403, 589, 611, 651, 741, 893, 987, 1209, 1457, 1729, 1767, 1833, 2679, 2821, 4123, 4277, 4371, 5187, 6251, 7657, 8463, 10199, 11609, 12369, 12831, 18753, 18941, 22971, 27683, 30597, 34827, 53599, 56823, 81263, 83049, 132587, 160797, 193781, 243789, 359879, 397761, 581343, 1079637, 2519153, 7557459]

約数ペア:

[(1, 7557459), (3, 2519153), (7, 1079637), (13, 581343), (19, 397761), (21, 359879), (31, 243789), (39, 193781), (47, 160797), (57, 132587), (91, 83049), (93, 81263), (133, 56823), (141, 53599), (217, 34827), (247, 30597), (273, 27683), (329, 22971), (399, 18941), (403, 18753), (589, 12831), (611, 12369), (651, 11609), (741, 10199), (893, 8463), (987, 7657), (1209, 6251), (1457, 5187), (1729, 4371), (1767, 4277), (1833, 4123), (2679, 2821)]