145724215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{320273}}^1$

素因数の和:320298

約数の個数: 16

約数和(自身を含む): 215224128

約数和(自身を除く): 69499913

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 320273, 1601365, 2241911, 4163549, 11209555, 20817745, 29144843, 145724215]

約数ペア:

[(1, 145724215), (5, 29144843), (7, 20817745), (13, 11209555), (35, 4163549), (65, 2241911), (91, 1601365), (455, 320273)]