51538545

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 98150400

約数和(自身を除く): 46611855

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 71, 95, 135, 171, 213, 283, 285, 355, 513, 639, 849, 855, 1065, 1349, 1415, 1917, 2547, 2565, 3195, 4047, 4245, 5377, 6745, 7641, 9585, 12141, 12735, 16131, 20093, 20235, 26885, 36423, 38205, 48393, 60279, 60705, 80655, 100465, 145179, 180837, 182115, 241965, 301395, 381767, 542511, 725895, 904185, 1145301, 1908835, 2712555, 3435903, 5726505, 10307709, 17179515, 51538545]

約数ペア:

[(1, 51538545), (3, 17179515), (5, 10307709), (9, 5726505), (15, 3435903), (19, 2712555), (27, 1908835), (45, 1145301), (57, 904185), (71, 725895), (95, 542511), (135, 381767), (171, 301395), (213, 241965), (283, 182115), (285, 180837), (355, 145179), (513, 100465), (639, 80655), (849, 60705), (855, 60279), (1065, 48393), (1349, 38205), (1415, 36423), (1917, 26885), (2547, 20235), (2565, 20093), (3195, 16131), (4047, 12735), (4245, 12141), (5377, 9585), (6745, 7641)]