1686720285

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 2951477568

約数和(自身を除く): 1264757283

約数列:

[1, 3, 5, 9, 15, 45, 211, 401, 443, 633, 1055, 1203, 1329, 1899, 2005, 2215, 3165, 3609, 3987, 6015, 6645, 9495, 18045, 19935, 84611, 93473, 177643, 253833, 280419, 423055, 467365, 532929, 761499, 841257, 888215, 1269165, 1402095, 1598787, 2664645, 3807495, 4206285, 7993935, 37482673, 112448019, 187413365, 337344057, 562240095, 1686720285]

約数ペア:

[(1, 1686720285), (3, 562240095), (5, 337344057), (9, 187413365), (15, 112448019), (45, 37482673), (211, 7993935), (401, 4206285), (443, 3807495), (633, 2664645), (1055, 1598787), (1203, 1402095), (1329, 1269165), (1899, 888215), (2005, 841257), (2215, 761499), (3165, 532929), (3609, 467365), (3987, 423055), (6015, 280419), (6645, 253833), (9495, 177643), (18045, 93473), (19935, 84611)]