65604825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2079

約数の個数: 72

約数和(自身を含む): 138116160

約数和(自身を除く): 72511335

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2039, 2145, 2475, 2925, 3575, 6117, 6435, 10195, 10725, 18351, 22429, 26507, 30585, 32175, 50975, 67287, 79521, 91755, 112145, 132535, 152925, 201861, 238563, 291577, 336435, 397605, 458775, 560725, 662675, 874731, 1009305, 1192815, 1457885, 1682175, 1988025, 2624193, 4373655, 5046525, 5964075, 7289425, 13120965, 21868275, 65604825]

約数ペア:

[(1, 65604825), (3, 21868275), (5, 13120965), (9, 7289425), (11, 5964075), (13, 5046525), (15, 4373655), (25, 2624193), (33, 1988025), (39, 1682175), (45, 1457885), (55, 1192815), (65, 1009305), (75, 874731), (99, 662675), (117, 560725), (143, 458775), (165, 397605), (195, 336435), (225, 291577), (275, 238563), (325, 201861), (429, 152925), (495, 132535), (585, 112145), (715, 91755), (825, 79521), (975, 67287), (1287, 50975), (2039, 32175), (2145, 30585), (2475, 26507), (2925, 22429), (3575, 18351), (6117, 10725), (6435, 10195)]