74805213

素因数分解:

$3^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 117376000

約数和(自身を除く): 42570787

約数列:

[1, 3, 7, 21, 49, 139, 147, 343, 417, 523, 973, 1029, 1569, 2919, 3661, 6811, 10983, 20433, 25627, 47677, 72697, 76881, 143031, 179389, 218091, 508879, 538167, 1526637, 3562153, 10686459, 24935071, 74805213]

約数ペア:

[(1, 74805213), (3, 24935071), (7, 10686459), (21, 3562153), (49, 1526637), (139, 538167), (147, 508879), (343, 218091), (417, 179389), (523, 143031), (973, 76881), (1029, 72697), (1569, 47677), (2919, 25627), (3661, 20433), (6811, 10983)]