128418045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1223029}}^1$

素因数の和:1223044

約数の個数: 16

約数和(自身を含む): 234821760

約数和(自身を除く): 106403715

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1223029, 3669087, 6115145, 8561203, 18345435, 25683609, 42806015, 128418045]

約数ペア:

[(1, 128418045), (3, 42806015), (5, 25683609), (7, 18345435), (15, 8561203), (21, 6115145), (35, 3669087), (105, 1223029)]