3890229

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 6307008

約数和(自身を除く): 2416779

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 641, 867, 1923, 2023, 4487, 6069, 10897, 13461, 32691, 76279, 185249, 228837, 555747, 1296743, 3890229]

約数ペア:

[(1, 3890229), (3, 1296743), (7, 555747), (17, 228837), (21, 185249), (51, 76279), (119, 32691), (289, 13461), (357, 10897), (641, 6069), (867, 4487), (1923, 2023)]