1621893

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 2682048

約数和(自身を除く): 1060155

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 457, 507, 1183, 1371, 3199, 3549, 5941, 9597, 17823, 41587, 77233, 124761, 231699, 540631, 1621893]

約数ペア:

[(1, 1621893), (3, 540631), (7, 231699), (13, 124761), (21, 77233), (39, 41587), (91, 17823), (169, 9597), (273, 5941), (457, 3549), (507, 3199), (1183, 1371)]