71740221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1951}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 116932608

約数和(自身を除く): 45192387

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 721, 1751, 1951, 2163, 5253, 5853, 12257, 13657, 33167, 36771, 40971, 99501, 200953, 232169, 602859, 696507, 1406671, 3416201, 4220013, 10248603, 23913407, 71740221]

約数ペア:

[(1, 71740221), (3, 23913407), (7, 10248603), (17, 4220013), (21, 3416201), (51, 1406671), (103, 696507), (119, 602859), (309, 232169), (357, 200953), (721, 99501), (1751, 40971), (1951, 36771), (2163, 33167), (5253, 13657), (5853, 12257)]