277860285

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 499399680

約数和(自身を除く): 221539395

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 409, 465, 487, 1227, 1395, 1461, 2045, 2435, 3681, 4383, 6135, 7305, 12679, 15097, 18405, 21915, 38037, 45291, 63395, 75485, 114111, 135873, 190185, 199183, 226455, 570555, 597549, 679365, 995915, 1792647, 2987745, 6174673, 8963235, 18524019, 30873365, 55572057, 92620095, 277860285]

約数ペア:

[(1, 277860285), (3, 92620095), (5, 55572057), (9, 30873365), (15, 18524019), (31, 8963235), (45, 6174673), (93, 2987745), (155, 1792647), (279, 995915), (409, 679365), (465, 597549), (487, 570555), (1227, 226455), (1395, 199183), (1461, 190185), (2045, 135873), (2435, 114111), (3681, 75485), (4383, 63395), (6135, 45291), (7305, 38037), (12679, 21915), (15097, 18405)]