215540838

素因数分解:

$2^1\times 3^4\times {\mathrm{1330499}}^1$

素因数の和:1330513

約数の個数: 20

約数和(自身を含む): 482971500

約数和(自身を除く): 267430662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1330499, 2660998, 3991497, 7982994, 11974491, 23948982, 35923473, 71846946, 107770419, 215540838]

約数ペア:

[(1, 215540838), (2, 107770419), (3, 71846946), (6, 35923473), (9, 23948982), (18, 11974491), (27, 7982994), (54, 3991497), (81, 2660998), (162, 1330499)]