290690817

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 408360960

約数和(自身を除く): 117670143

約数列:

[1, 3, 47, 59, 83, 141, 177, 249, 421, 1263, 2773, 3901, 4897, 8319, 11703, 14691, 19787, 24839, 34943, 59361, 74517, 104829, 230159, 690477, 1167433, 1642321, 2061637, 3502299, 4926963, 6184911, 96896939, 290690817]

約数ペア:

[(1, 290690817), (3, 96896939), (47, 6184911), (59, 4926963), (83, 3502299), (141, 2061637), (177, 1642321), (249, 1167433), (421, 690477), (1263, 230159), (2773, 104829), (3901, 74517), (4897, 59361), (8319, 34943), (11703, 24839), (14691, 19787)]