78304221

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 114892544

約数和(自身を除く): 36588323

約数列:

[1, 3, 9, 151, 157, 367, 453, 471, 1101, 1359, 1413, 3303, 23707, 55417, 57619, 71121, 166251, 172857, 213363, 498753, 518571, 8700469, 26101407, 78304221]

約数ペア:

[(1, 78304221), (3, 26101407), (9, 8700469), (151, 518571), (157, 498753), (367, 213363), (453, 172857), (471, 166251), (1101, 71121), (1359, 57619), (1413, 55417), (3303, 23707)]