72520515

素因数分解:

$3^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{743}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 130714848

約数和(自身を除く): 58194333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 241, 405, 723, 743, 1205, 2169, 2229, 3615, 3715, 6507, 6687, 10845, 11145, 19521, 20061, 32535, 33435, 60183, 97605, 100305, 179063, 300915, 537189, 895315, 1611567, 2685945, 4834701, 8057835, 14504103, 24173505, 72520515]

約数ペア:

[(1, 72520515), (3, 24173505), (5, 14504103), (9, 8057835), (15, 4834701), (27, 2685945), (45, 1611567), (81, 895315), (135, 537189), (241, 300915), (405, 179063), (723, 100305), (743, 97605), (1205, 60183), (2169, 33435), (2229, 32535), (3615, 20061), (3715, 19521), (6507, 11145), (6687, 10845)]