15857946

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 37313640

約数和(自身を除く): 21455694

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 401, 507, 802, 1014, 1203, 1521, 2197, 2406, 3042, 3609, 4394, 5213, 6591, 7218, 10426, 13182, 15639, 19773, 31278, 39546, 46917, 67769, 93834, 135538, 203307, 406614, 609921, 880997, 1219842, 1761994, 2642991, 5285982, 7928973, 15857946]

約数ペア:

[(1, 15857946), (2, 7928973), (3, 5285982), (6, 2642991), (9, 1761994), (13, 1219842), (18, 880997), (26, 609921), (39, 406614), (78, 203307), (117, 135538), (169, 93834), (234, 67769), (338, 46917), (401, 39546), (507, 31278), (802, 19773), (1014, 15639), (1203, 13182), (1521, 10426), (2197, 7218), (2406, 6591), (3042, 5213), (3609, 4394)]