15691923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 24766560

約数和(自身を除く): 9074637

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1889, 2769, 5667, 8307, 17001, 24557, 73671, 134119, 221013, 402357, 1207071, 1743547, 5230641, 15691923]

約数ペア:

[(1, 15691923), (3, 5230641), (9, 1743547), (13, 1207071), (39, 402357), (71, 221013), (117, 134119), (213, 73671), (639, 24557), (923, 17001), (1889, 8307), (2769, 5667)]