28305261225

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1279}}^1\times {\mathrm{2399}}^1$

素因数の和:3735

約数の個数: 72

約数和(自身を含む): 51996672000

約数和(自身を除く): 23691410775

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1279, 1845, 2399, 3075, 3837, 6395, 7197, 9225, 11511, 11995, 19185, 21591, 31975, 35985, 52439, 57555, 59975, 95925, 98359, 107955, 157317, 179925, 262195, 287775, 295077, 471951, 491795, 539775, 786585, 885231, 1310975, 1475385, 2359755, 2458975, 3068321, 3932925, 4426155, 7376925, 9204963, 11798775, 15341605, 22130775, 27614889, 46024815, 76708025, 125801161, 138074445, 230124075, 377403483, 629005805, 690372225, 1132210449, 1887017415, 3145029025, 5661052245, 9435087075, 28305261225]

約数ペア:

[(1, 28305261225), (3, 9435087075), (5, 5661052245), (9, 3145029025), (15, 1887017415), (25, 1132210449), (41, 690372225), (45, 629005805), (75, 377403483), (123, 230124075), (205, 138074445), (225, 125801161), (369, 76708025), (615, 46024815), (1025, 27614889), (1279, 22130775), (1845, 15341605), (2399, 11798775), (3075, 9204963), (3837, 7376925), (6395, 4426155), (7197, 3932925), (9225, 3068321), (11511, 2458975), (11995, 2359755), (19185, 1475385), (21591, 1310975), (31975, 885231), (35985, 786585), (52439, 539775), (57555, 491795), (59975, 471951), (95925, 295077), (98359, 287775), (107955, 262195), (157317, 179925)]