1209915615

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{16001}}^1$

素因数の和:16151

約数の個数: 24

約数和(自身を含む): 1963637424

約数和(自身を除く): 753721809

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 5041, 15123, 16001, 25205, 48003, 75615, 80005, 240015, 1136071, 3408213, 5680355, 17041065, 80661041, 241983123, 403305205, 1209915615]

約数ペア:

[(1, 1209915615), (3, 403305205), (5, 241983123), (15, 80661041), (71, 17041065), (213, 5680355), (355, 3408213), (1065, 1136071), (5041, 240015), (15123, 80005), (16001, 75615), (25205, 48003)]