220171161

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{51647}}^1$

素因数の和:51693

約数の個数: 24

約数和(自身を含む): 353272320

約数和(自身を除く): 133101159

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 51647, 154941, 361529, 1084587, 1497763, 2530703, 4493289, 7592109, 10484341, 31453023, 73390387, 220171161]

約数ペア:

[(1, 220171161), (3, 73390387), (7, 31453023), (21, 10484341), (29, 7592109), (49, 4493289), (87, 2530703), (147, 1497763), (203, 1084587), (609, 361529), (1421, 154941), (4263, 51647)]