2179818

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 4979520

約数和(自身を除く): 2799702

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1091, 1998, 2182, 3273, 6546, 9819, 19638, 29457, 40367, 58914, 80734, 121101, 242202, 363303, 726606, 1089909, 2179818]

約数ペア:

[(1, 2179818), (2, 1089909), (3, 726606), (6, 363303), (9, 242202), (18, 121101), (27, 80734), (37, 58914), (54, 40367), (74, 29457), (111, 19638), (222, 9819), (333, 6546), (666, 3273), (999, 2182), (1091, 1998)]