627889827

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 920008320

約数和(自身を除く): 292118493

約数列:

[1, 3, 19, 43, 57, 97, 129, 139, 291, 361, 417, 817, 1083, 1843, 2451, 2641, 4171, 5529, 5977, 7923, 12513, 13483, 15523, 17931, 35017, 40449, 46569, 50179, 79249, 105051, 113563, 150537, 237747, 256177, 340689, 579769, 768531, 1505731, 1739307, 2157697, 4517193, 4867363, 6473091, 11015611, 14602089, 33046833, 209296609, 627889827]

約数ペア:

[(1, 627889827), (3, 209296609), (19, 33046833), (43, 14602089), (57, 11015611), (97, 6473091), (129, 4867363), (139, 4517193), (291, 2157697), (361, 1739307), (417, 1505731), (817, 768531), (1083, 579769), (1843, 340689), (2451, 256177), (2641, 237747), (4171, 150537), (5529, 113563), (5977, 105051), (7923, 79249), (12513, 50179), (13483, 46569), (15523, 40449), (17931, 35017)]