290400327

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{10949}}^1$

素因数の和:11383

約数の個数: 24

約数和(自身を含む): 480573600

約数和(自身を除く): 190173273

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2947, 3789, 8841, 10949, 26523, 32847, 76643, 98541, 229929, 689787, 4609529, 13828587, 32266703, 41485761, 96800109, 290400327]

約数ペア:

[(1, 290400327), (3, 96800109), (7, 41485761), (9, 32266703), (21, 13828587), (63, 4609529), (421, 689787), (1263, 229929), (2947, 98541), (3789, 76643), (8841, 32847), (10949, 26523)]