31819005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 26677251

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 433, 639, 1035, 1065, 1299, 1633, 2165, 3195, 3897, 4899, 6495, 8165, 9959, 14697, 19485, 24495, 29877, 30743, 49795, 73485, 89631, 92229, 149385, 153715, 276687, 448155, 461145, 707089, 1383435, 2121267, 3535445, 6363801, 10606335, 31819005]

約数ペア:

[(1, 31819005), (3, 10606335), (5, 6363801), (9, 3535445), (15, 2121267), (23, 1383435), (45, 707089), (69, 461145), (71, 448155), (115, 276687), (207, 153715), (213, 149385), (345, 92229), (355, 89631), (433, 73485), (639, 49795), (1035, 30743), (1065, 29877), (1299, 24495), (1633, 19485), (2165, 14697), (3195, 9959), (3897, 8165), (4899, 6495)]