28204605

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 59520384

約数和(自身を除く): 31315779

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 81, 99, 117, 135, 143, 165, 195, 297, 351, 405, 429, 487, 495, 585, 715, 891, 1053, 1287, 1461, 1485, 1755, 2145, 2435, 3861, 4383, 4455, 5265, 5357, 6331, 6435, 7305, 11583, 13149, 16071, 18993, 19305, 21915, 26785, 31655, 39447, 48213, 56979, 57915, 65745, 69641, 80355, 94965, 144639, 170937, 197235, 208923, 241065, 284895, 348205, 433917, 512811, 626769, 723195, 854685, 1044615, 1880307, 2169585, 2564055, 3133845, 5640921, 9401535, 28204605]

約数ペア:

[(1, 28204605), (3, 9401535), (5, 5640921), (9, 3133845), (11, 2564055), (13, 2169585), (15, 1880307), (27, 1044615), (33, 854685), (39, 723195), (45, 626769), (55, 512811), (65, 433917), (81, 348205), (99, 284895), (117, 241065), (135, 208923), (143, 197235), (165, 170937), (195, 144639), (297, 94965), (351, 80355), (405, 69641), (429, 65745), (487, 57915), (495, 56979), (585, 48213), (715, 39447), (891, 31655), (1053, 26785), (1287, 21915), (1461, 19305), (1485, 18993), (1755, 16071), (2145, 13149), (2435, 11583), (3861, 7305), (4383, 6435), (4455, 6331), (5265, 5357)]