681668985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1\times {\mathrm{1873}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 1149586560

約数和(自身を除く): 467917575

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1277, 1873, 3831, 5619, 6385, 9365, 19155, 24263, 28095, 35587, 72789, 106761, 121315, 177935, 363945, 533805, 2391821, 7175463, 11959105, 35877315, 45444599, 136333797, 227222995, 681668985]

約数ペア:

[(1, 681668985), (3, 227222995), (5, 136333797), (15, 45444599), (19, 35877315), (57, 11959105), (95, 7175463), (285, 2391821), (1277, 533805), (1873, 363945), (3831, 177935), (5619, 121315), (6385, 106761), (9365, 72789), (19155, 35587), (24263, 28095)]