211231770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{306133}}^1$

素因数の和:306166

約数の個数: 32

約数和(自身を含む): 528999552

約数和(自身を除く): 317767782

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 306133, 612266, 918399, 1530665, 1836798, 3061330, 4591995, 7041059, 9183990, 14082118, 21123177, 35205295, 42246354, 70410590, 105615885, 211231770]

約数ペア:

[(1, 211231770), (2, 105615885), (3, 70410590), (5, 42246354), (6, 35205295), (10, 21123177), (15, 14082118), (23, 9183990), (30, 7041059), (46, 4591995), (69, 3061330), (115, 1836798), (138, 1530665), (230, 918399), (345, 612266), (690, 306133)]