53257815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 102772800

約数和(自身を除く): 49514985

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 149, 169, 195, 235, 423, 447, 507, 585, 611, 705, 745, 845, 1341, 1521, 1833, 1937, 2115, 2235, 2535, 3055, 5499, 5811, 6705, 7003, 7605, 7943, 9165, 9685, 17433, 21009, 23829, 25181, 27495, 29055, 35015, 39715, 63027, 71487, 75543, 87165, 91039, 105045, 119145, 125905, 226629, 273117, 315135, 357435, 377715, 455195, 819351, 1133145, 1183507, 1365585, 3550521, 4096755, 5917535, 10651563, 17752605, 53257815]

約数ペア:

[(1, 53257815), (3, 17752605), (5, 10651563), (9, 5917535), (13, 4096755), (15, 3550521), (39, 1365585), (45, 1183507), (47, 1133145), (65, 819351), (117, 455195), (141, 377715), (149, 357435), (169, 315135), (195, 273117), (235, 226629), (423, 125905), (447, 119145), (507, 105045), (585, 91039), (611, 87165), (705, 75543), (745, 71487), (845, 63027), (1341, 39715), (1521, 35015), (1833, 29055), (1937, 27495), (2115, 25181), (2235, 23829), (2535, 21009), (3055, 17433), (5499, 9685), (5811, 9165), (6705, 7943), (7003, 7605)]