201880515

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{3187}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 334204416

約数和(自身を除く): 132323901

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 515, 615, 1545, 3187, 4223, 9561, 12669, 15935, 21115, 47805, 63345, 130667, 328261, 392001, 653335, 984783, 1641305, 1960005, 4923915, 13458701, 40376103, 67293505, 201880515]

約数ペア:

[(1, 201880515), (3, 67293505), (5, 40376103), (15, 13458701), (41, 4923915), (103, 1960005), (123, 1641305), (205, 984783), (309, 653335), (515, 392001), (615, 328261), (1545, 130667), (3187, 63345), (4223, 47805), (9561, 21115), (12669, 15935)]