16653975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 33331200

約数和(自身を除く): 16677225

約数列:

[1, 3, 5, 13, 15, 19, 25, 29, 31, 39, 57, 65, 75, 87, 93, 95, 145, 155, 195, 247, 285, 325, 377, 403, 435, 465, 475, 551, 589, 725, 741, 775, 899, 975, 1131, 1209, 1235, 1425, 1653, 1767, 1885, 2015, 2175, 2325, 2697, 2755, 2945, 3705, 4495, 5655, 6045, 6175, 7163, 7657, 8265, 8835, 9425, 10075, 11687, 13485, 13775, 14725, 17081, 18525, 21489, 22475, 22971, 28275, 30225, 35061, 35815, 38285, 41325, 44175, 51243, 58435, 67425, 85405, 107445, 114855, 175305, 179075, 191425, 222053, 256215, 292175, 427025, 537225, 574275, 666159, 876525, 1110265, 1281075, 3330795, 5551325, 16653975]

約数ペア:

[(1, 16653975), (3, 5551325), (5, 3330795), (13, 1281075), (15, 1110265), (19, 876525), (25, 666159), (29, 574275), (31, 537225), (39, 427025), (57, 292175), (65, 256215), (75, 222053), (87, 191425), (93, 179075), (95, 175305), (145, 114855), (155, 107445), (195, 85405), (247, 67425), (285, 58435), (325, 51243), (377, 44175), (403, 41325), (435, 38285), (465, 35815), (475, 35061), (551, 30225), (589, 28275), (725, 22971), (741, 22475), (775, 21489), (899, 18525), (975, 17081), (1131, 14725), (1209, 13775), (1235, 13485), (1425, 11687), (1653, 10075), (1767, 9425), (1885, 8835), (2015, 8265), (2175, 7657), (2325, 7163), (2697, 6175), (2755, 6045), (2945, 5655), (3705, 4495)]