398049405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{7213}}^1$

素因数の和:7517

約数の個数: 32

約数和(自身を含む): 688388736

約数和(自身を除く): 290339331

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 283, 849, 1415, 3679, 4245, 7213, 11037, 18395, 21639, 36065, 55185, 93769, 108195, 281307, 468845, 1406535, 2041279, 6123837, 10206395, 26536627, 30619185, 79609881, 132683135, 398049405]

約数ペア:

[(1, 398049405), (3, 132683135), (5, 79609881), (13, 30619185), (15, 26536627), (39, 10206395), (65, 6123837), (195, 2041279), (283, 1406535), (849, 468845), (1415, 281307), (3679, 108195), (4245, 93769), (7213, 55185), (11037, 36065), (18395, 21639)]