51771447

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 99456000

約数和(自身を除く): 47684553

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 741, 819, 1109, 1197, 1729, 2223, 2457, 3327, 3591, 5187, 6669, 7763, 9981, 14417, 15561, 21071, 23289, 29943, 43251, 46683, 63213, 69867, 100919, 129753, 147497, 189639, 209601, 273923, 302757, 389259, 442491, 568917, 821769, 908271, 1327473, 1917461, 2465307, 2724813, 3982419, 5752383, 7395921, 17257149, 51771447]

約数ペア:

[(1, 51771447), (3, 17257149), (7, 7395921), (9, 5752383), (13, 3982419), (19, 2724813), (21, 2465307), (27, 1917461), (39, 1327473), (57, 908271), (63, 821769), (91, 568917), (117, 442491), (133, 389259), (171, 302757), (189, 273923), (247, 209601), (273, 189639), (351, 147497), (399, 129753), (513, 100919), (741, 69867), (819, 63213), (1109, 46683), (1197, 43251), (1729, 29943), (2223, 23289), (2457, 21071), (3327, 15561), (3591, 14417), (5187, 9981), (6669, 7763)]