205574655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 389007360

約数和(自身を除く): 183432705

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 239, 401, 429, 715, 717, 1195, 1203, 2005, 2145, 2629, 3107, 3585, 4411, 5213, 6015, 7887, 9321, 13145, 13233, 15535, 15639, 22055, 26065, 34177, 39435, 46605, 57343, 66165, 78195, 95839, 102531, 170885, 172029, 286715, 287517, 479195, 512655, 860145, 1054229, 1245907, 1437585, 3162687, 3737721, 5271145, 6229535, 13704977, 15813435, 18688605, 41114931, 68524885, 205574655]

約数ペア:

[(1, 205574655), (3, 68524885), (5, 41114931), (11, 18688605), (13, 15813435), (15, 13704977), (33, 6229535), (39, 5271145), (55, 3737721), (65, 3162687), (143, 1437585), (165, 1245907), (195, 1054229), (239, 860145), (401, 512655), (429, 479195), (715, 287517), (717, 286715), (1195, 172029), (1203, 170885), (2005, 102531), (2145, 95839), (2629, 78195), (3107, 66165), (3585, 57343), (4411, 46605), (5213, 39435), (6015, 34177), (7887, 26065), (9321, 22055), (13145, 15639), (13233, 15535)]