17212743

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 27076896

約数和(自身を除く): 9864153

約数列:

[1, 3, 9, 27, 41, 71, 73, 81, 123, 213, 219, 369, 639, 657, 1107, 1917, 1971, 2911, 2993, 3321, 5183, 5751, 5913, 8733, 8979, 15549, 26199, 26937, 46647, 78597, 80811, 139941, 212503, 235791, 242433, 419823, 637509, 1912527, 5737581, 17212743]

約数ペア:

[(1, 17212743), (3, 5737581), (9, 1912527), (27, 637509), (41, 419823), (71, 242433), (73, 235791), (81, 212503), (123, 139941), (213, 80811), (219, 78597), (369, 46647), (639, 26937), (657, 26199), (1107, 15549), (1917, 8979), (1971, 8733), (2911, 5913), (2993, 5751), (3321, 5183)]