15020955

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 27260688

約数和(自身を除く): 12239733

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 631, 1035, 1587, 1893, 2645, 3155, 4761, 5679, 7935, 9465, 14513, 23805, 28395, 43539, 72565, 130617, 217695, 333799, 653085, 1001397, 1668995, 3004191, 5006985, 15020955]

約数ペア:

[(1, 15020955), (3, 5006985), (5, 3004191), (9, 1668995), (15, 1001397), (23, 653085), (45, 333799), (69, 217695), (115, 130617), (207, 72565), (345, 43539), (529, 28395), (631, 23805), (1035, 14513), (1587, 9465), (1893, 7935), (2645, 5679), (3155, 4761)]