90972981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39953}}^1$

素因数の和:39993

約数の個数: 24

約数和(自身を含む): 149587776

約数和(自身を除く): 58614795

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 39953, 119859, 359577, 439483, 918919, 1318449, 2756757, 3955347, 8270271, 10108109, 30324327, 90972981]

約数ペア:

[(1, 90972981), (3, 30324327), (9, 10108109), (11, 8270271), (23, 3955347), (33, 2756757), (69, 1318449), (99, 918919), (207, 439483), (253, 359577), (759, 119859), (2277, 39953)]