1720791

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 2833920

約数和(自身を除く): 1113129

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 163, 207, 391, 459, 489, 621, 1173, 1467, 2771, 3519, 3749, 4401, 8313, 10557, 11247, 24939, 33741, 63733, 74817, 101223, 191199, 573597, 1720791]

約数ペア:

[(1, 1720791), (3, 573597), (9, 191199), (17, 101223), (23, 74817), (27, 63733), (51, 33741), (69, 24939), (153, 11247), (163, 10557), (207, 8313), (391, 4401), (459, 3749), (489, 3519), (621, 2771), (1173, 1467)]