28245915

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 51226560

約数和(自身を除く): 22980645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 719, 873, 1455, 2157, 2619, 3595, 4365, 6471, 7857, 10785, 13095, 19413, 32355, 39285, 58239, 69743, 97065, 209229, 291195, 348715, 627687, 1046145, 1883061, 3138435, 5649183, 9415305, 28245915]

約数ペア:

[(1, 28245915), (3, 9415305), (5, 5649183), (9, 3138435), (15, 1883061), (27, 1046145), (45, 627687), (81, 348715), (97, 291195), (135, 209229), (291, 97065), (405, 69743), (485, 58239), (719, 39285), (873, 32355), (1455, 19413), (2157, 13095), (2619, 10785), (3595, 7857), (4365, 6471)]