28236195

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 56593152

約数和(自身を除く): 28356957

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 173, 195, 279, 351, 403, 405, 465, 519, 585, 837, 865, 1053, 1209, 1395, 1557, 1755, 2015, 2249, 2511, 2595, 3627, 4185, 4671, 5265, 5363, 6045, 6747, 7785, 10881, 11245, 12555, 14013, 16089, 18135, 20241, 23355, 26815, 32643, 33735, 48267, 54405, 60723, 69719, 70065, 80445, 101205, 144801, 163215, 182169, 209157, 241335, 303615, 348595, 434403, 627471, 724005, 910845, 1045785, 1882413, 2172015, 3137355, 5647239, 9412065, 28236195]

約数ペア:

[(1, 28236195), (3, 9412065), (5, 5647239), (9, 3137355), (13, 2172015), (15, 1882413), (27, 1045785), (31, 910845), (39, 724005), (45, 627471), (65, 434403), (81, 348595), (93, 303615), (117, 241335), (135, 209157), (155, 182169), (173, 163215), (195, 144801), (279, 101205), (351, 80445), (403, 70065), (405, 69719), (465, 60723), (519, 54405), (585, 48267), (837, 33735), (865, 32643), (1053, 26815), (1209, 23355), (1395, 20241), (1557, 18135), (1755, 16089), (2015, 14013), (2249, 12555), (2511, 11245), (2595, 10881), (3627, 7785), (4185, 6747), (4671, 6045), (5265, 5363)]