218897463

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 312694272

約数和(自身を除く): 93796809

約数列:

[1, 3, 23, 61, 69, 131, 183, 393, 397, 1191, 1403, 3013, 4209, 7991, 9039, 9131, 23973, 24217, 27393, 52007, 72651, 156021, 183793, 551379, 556991, 1196161, 1670973, 3172427, 3588483, 9517281, 72965821, 218897463]

約数ペア:

[(1, 218897463), (3, 72965821), (23, 9517281), (61, 3588483), (69, 3172427), (131, 1670973), (183, 1196161), (393, 556991), (397, 551379), (1191, 183793), (1403, 156021), (3013, 72651), (4209, 52007), (7991, 27393), (9039, 24217), (9131, 23973)]