28825965

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 61621560

約数和(自身を除く): 32795595

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 769, 833, 1071, 1785, 2205, 2307, 2499, 3845, 4165, 5355, 5383, 6921, 7497, 11535, 12495, 13073, 16149, 26915, 34605, 37485, 37681, 39219, 48447, 65365, 80745, 91511, 113043, 117657, 188405, 196095, 242235, 274533, 339129, 457555, 565215, 588285, 640577, 823599, 1372665, 1695645, 1921731, 3202885, 4117995, 5765193, 9608655, 28825965]

約数ペア:

[(1, 28825965), (3, 9608655), (5, 5765193), (7, 4117995), (9, 3202885), (15, 1921731), (17, 1695645), (21, 1372665), (35, 823599), (45, 640577), (49, 588285), (51, 565215), (63, 457555), (85, 339129), (105, 274533), (119, 242235), (147, 196095), (153, 188405), (245, 117657), (255, 113043), (315, 91511), (357, 80745), (441, 65365), (595, 48447), (735, 39219), (765, 37681), (769, 37485), (833, 34605), (1071, 26915), (1785, 16149), (2205, 13073), (2307, 12495), (2499, 11535), (3845, 7497), (4165, 6921), (5355, 5383)]