42490215

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6793}}^1$

素因数の和:6943

約数の個数: 24

約数和(自身を含む): 74190480

約数和(自身を除く): 31700265

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 6793, 20379, 33965, 61137, 101895, 305685, 944227, 2832681, 4721135, 8498043, 14163405, 42490215]

約数ペア:

[(1, 42490215), (3, 14163405), (5, 8498043), (9, 4721135), (15, 2832681), (45, 944227), (139, 305685), (417, 101895), (695, 61137), (1251, 33965), (2085, 20379), (6255, 6793)]