17994717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 30248064

約数和(自身を除く): 12253347

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 743, 897, 1053, 1863, 2229, 2691, 6687, 8073, 9659, 17089, 20061, 24219, 28977, 51267, 60183, 86931, 153801, 222157, 260793, 461403, 666471, 782379, 1384209, 1999413, 5998239, 17994717]

約数ペア:

[(1, 17994717), (3, 5998239), (9, 1999413), (13, 1384209), (23, 782379), (27, 666471), (39, 461403), (69, 260793), (81, 222157), (117, 153801), (207, 86931), (299, 60183), (351, 51267), (621, 28977), (743, 24219), (897, 20061), (1053, 17089), (1863, 9659), (2229, 8073), (2691, 6687)]