28751931

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{619}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 44910320

約数和(自身を除く): 16158389

約数列:

[1, 3, 9, 13, 39, 117, 397, 619, 1191, 1857, 3573, 5161, 5571, 8047, 15483, 24141, 46449, 72423, 245743, 737229, 2211687, 3194659, 9583977, 28751931]

約数ペア:

[(1, 28751931), (3, 9583977), (9, 3194659), (13, 2211687), (39, 737229), (117, 245743), (397, 72423), (619, 46449), (1191, 24141), (1857, 15483), (3573, 8047), (5161, 5571)]