195678721

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 239253696

約数和(自身を除く): 43574975

約数列:

[1, 7, 17, 119, 197, 289, 491, 1379, 2023, 3349, 3437, 8347, 23443, 56933, 58429, 96727, 141899, 398531, 677089, 993293, 1644359, 11510513, 27954103, 195678721]

約数ペア:

[(1, 195678721), (7, 27954103), (17, 11510513), (119, 1644359), (197, 993293), (289, 677089), (491, 398531), (1379, 141899), (2023, 96727), (3349, 58429), (3437, 56933), (8347, 23443)]