221448825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{75709}}^1$

素因数の和:75738

約数の個数: 36

約数和(自身を含む): 427155820

約数和(自身を除く): 205706995

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 75709, 227127, 378545, 681381, 984217, 1135635, 1892725, 2952651, 3406905, 4921085, 5678175, 8857953, 14763255, 17034525, 24605425, 44289765, 73816275, 221448825]

約数ペア:

[(1, 221448825), (3, 73816275), (5, 44289765), (9, 24605425), (13, 17034525), (15, 14763255), (25, 8857953), (39, 5678175), (45, 4921085), (65, 3406905), (75, 2952651), (117, 1892725), (195, 1135635), (225, 984217), (325, 681381), (585, 378545), (975, 227127), (2925, 75709)]