15571881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7829}}^1$

素因数の和:7865

約数の個数: 24

約数和(自身を含む): 25651080

約数和(自身を除く): 10079199

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 7829, 23487, 70461, 101777, 133093, 305331, 399279, 915993, 1197837, 1730209, 5190627, 15571881]

約数ペア:

[(1, 15571881), (3, 5190627), (9, 1730209), (13, 1197837), (17, 915993), (39, 399279), (51, 305331), (117, 133093), (153, 101777), (221, 70461), (663, 23487), (1989, 7829)]