381511263

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{17519}}^1$

素因数の和:17607

約数の個数: 32

約数和(自身を含む): 625674240

約数和(自身を除く): 244162977

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 3111, 7259, 17519, 21777, 52557, 122633, 297823, 367899, 893469, 1068659, 2084761, 3205977, 6254283, 7480613, 18167203, 22441839, 54501609, 127170421, 381511263]

約数ペア:

[(1, 381511263), (3, 127170421), (7, 54501609), (17, 22441839), (21, 18167203), (51, 7480613), (61, 6254283), (119, 3205977), (183, 2084761), (357, 1068659), (427, 893469), (1037, 367899), (1281, 297823), (3111, 122633), (7259, 52557), (17519, 21777)]