219967515

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70843}}^1$

素因数の和:70880

約数の個数: 32

約数和(自身を含む): 408061440

約数和(自身を除く): 188093925

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 70843, 212529, 354215, 637587, 1062645, 1629389, 1912761, 3187935, 4888167, 8146945, 9563805, 14664501, 24440835, 43993503, 73322505, 219967515]

約数ペア:

[(1, 219967515), (3, 73322505), (5, 43993503), (9, 24440835), (15, 14664501), (23, 9563805), (27, 8146945), (45, 4888167), (69, 3187935), (115, 1912761), (135, 1629389), (207, 1062645), (345, 637587), (621, 354215), (1035, 212529), (3105, 70843)]