13272291

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 20442240

約数和(自身を除く): 7169949

約数列:

[1, 3, 9, 17, 51, 153, 223, 389, 669, 1167, 2007, 3501, 3791, 6613, 11373, 19839, 34119, 59517, 86747, 260241, 780723, 1474699, 4424097, 13272291]

約数ペア:

[(1, 13272291), (3, 4424097), (9, 1474699), (17, 780723), (51, 260241), (153, 86747), (223, 59517), (389, 34119), (669, 19839), (1167, 11373), (2007, 6613), (3501, 3791)]