40890147

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 60241920

約数和(自身を除く): 19351773

約数列:

[1, 3, 19, 31, 57, 73, 93, 219, 317, 589, 951, 1387, 1767, 2263, 4161, 6023, 6789, 9827, 18069, 23141, 29481, 42997, 69423, 128991, 186713, 439679, 560139, 717371, 1319037, 2152113, 13630049, 40890147]

約数ペア:

[(1, 40890147), (3, 13630049), (19, 2152113), (31, 1319037), (57, 717371), (73, 560139), (93, 439679), (219, 186713), (317, 128991), (589, 69423), (951, 42997), (1387, 29481), (1767, 23141), (2263, 18069), (4161, 9827), (6023, 6789)]