199972053

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 293281560

約数和(自身を除く): 93309507

約数列:

[1, 3, 9, 89, 267, 421, 593, 801, 1263, 1779, 3789, 5337, 37469, 52777, 112407, 158331, 249653, 337221, 474993, 748959, 2246877, 22219117, 66657351, 199972053]

約数ペア:

[(1, 199972053), (3, 66657351), (9, 22219117), (89, 2246877), (267, 748959), (421, 474993), (593, 337221), (801, 249653), (1263, 158331), (1779, 112407), (3789, 52777), (5337, 37469)]