209260305

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{22039}}^1$

素因数の和:22261

約数の個数: 24

約数和(自身を含む): 364453440

約数和(自身を除く): 155193135

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 22039, 66117, 110195, 198351, 330585, 991755, 4650229, 13950687, 23251145, 41852061, 69753435, 209260305]

約数ペア:

[(1, 209260305), (3, 69753435), (5, 41852061), (9, 23251145), (15, 13950687), (45, 4650229), (211, 991755), (633, 330585), (1055, 198351), (1899, 110195), (3165, 66117), (9495, 22039)]