81738465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4391}}^1$

素因数の和:4489

約数の個数: 32

約数和(自身を含む): 140403456

約数和(自身を除く): 58664991

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 3723, 4391, 6205, 13173, 18615, 21955, 65865, 74647, 223941, 320543, 373235, 961629, 1119705, 1602715, 4808145, 5449231, 16347693, 27246155, 81738465]

約数ペア:

[(1, 81738465), (3, 27246155), (5, 16347693), (15, 5449231), (17, 4808145), (51, 1602715), (73, 1119705), (85, 961629), (219, 373235), (255, 320543), (365, 223941), (1095, 74647), (1241, 65865), (3723, 21955), (4391, 18615), (6205, 13173)]