663473421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{77681}}^1$

素因数の和:77773

約数の個数: 24

約数和(自身を含む): 1046221176

約数和(自身を除く): 382747755

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 77681, 233043, 699129, 1009853, 3029559, 5670713, 9088677, 17012139, 51036417, 73719269, 221157807, 663473421]

約数ペア:

[(1, 663473421), (3, 221157807), (9, 73719269), (13, 51036417), (39, 17012139), (73, 9088677), (117, 5670713), (219, 3029559), (657, 1009853), (949, 699129), (2847, 233043), (8541, 77681)]