61478145

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 109933200

約数和(自身を除く): 48455055

約数列:

[1, 3, 5, 9, 15, 45, 53, 149, 159, 173, 265, 447, 477, 519, 745, 795, 865, 1341, 1557, 2235, 2385, 2595, 6705, 7785, 7897, 9169, 23691, 25777, 27507, 39485, 45845, 71073, 77331, 82521, 118455, 128885, 137535, 231993, 355365, 386655, 412605, 1159965, 1366181, 4098543, 6830905, 12295629, 20492715, 61478145]

約数ペア:

[(1, 61478145), (3, 20492715), (5, 12295629), (9, 6830905), (15, 4098543), (45, 1366181), (53, 1159965), (149, 412605), (159, 386655), (173, 355365), (265, 231993), (447, 137535), (477, 128885), (519, 118455), (745, 82521), (795, 77331), (865, 71073), (1341, 45845), (1557, 39485), (2235, 27507), (2385, 25777), (2595, 23691), (6705, 9169), (7785, 7897)]