2147229

素因数分解:

$3^4\times 7^2\times {\mathrm{541}}^1$

素因数の和:567

約数の個数: 30

約数和(自身を含む): 3738174

約数和(自身を除く): 1590945

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 541, 567, 1323, 1623, 3787, 3969, 4869, 11361, 14607, 26509, 34083, 43821, 79527, 102249, 238581, 306747, 715743, 2147229]

約数ペア:

[(1, 2147229), (3, 715743), (7, 306747), (9, 238581), (21, 102249), (27, 79527), (49, 43821), (63, 34083), (81, 26509), (147, 14607), (189, 11361), (441, 4869), (541, 3969), (567, 3787), (1323, 1623)]