520039221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 758419200

約数和(自身を除く): 238379979

約数列:

[1, 3, 13, 39, 113, 197, 339, 591, 599, 1469, 1797, 2561, 4407, 7683, 7787, 22261, 23361, 66783, 67687, 118003, 203061, 289393, 354009, 868179, 879931, 1534039, 2639793, 4602117, 13334339, 40003017, 173346407, 520039221]

約数ペア:

[(1, 520039221), (3, 173346407), (13, 40003017), (39, 13334339), (113, 4602117), (197, 2639793), (339, 1534039), (591, 879931), (599, 868179), (1469, 354009), (1797, 289393), (2561, 203061), (4407, 118003), (7683, 67687), (7787, 66783), (22261, 23361)]