28578195

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 23650605

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 145, 183, 261, 305, 359, 435, 549, 915, 1077, 1305, 1769, 1795, 2745, 3231, 5307, 5385, 8845, 10411, 15921, 16155, 21899, 26535, 31233, 52055, 65697, 79605, 93699, 109495, 156165, 197091, 328485, 468495, 635071, 985455, 1905213, 3175355, 5715639, 9526065, 28578195]

約数ペア:

[(1, 28578195), (3, 9526065), (5, 5715639), (9, 3175355), (15, 1905213), (29, 985455), (45, 635071), (61, 468495), (87, 328485), (145, 197091), (183, 156165), (261, 109495), (305, 93699), (359, 79605), (435, 65697), (549, 52055), (915, 31233), (1077, 26535), (1305, 21899), (1769, 16155), (1795, 15921), (2745, 10411), (3231, 8845), (5307, 5385)]