209712909

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{653}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 328737024

約数和(自身を除く): 119024115

約数列:

[1, 3, 7, 21, 41, 123, 287, 373, 653, 861, 1119, 1959, 2611, 4571, 7833, 13713, 15293, 26773, 45879, 80319, 107051, 187411, 243569, 321153, 562233, 730707, 1704983, 5114949, 9986329, 29958987, 69904303, 209712909]

約数ペア:

[(1, 209712909), (3, 69904303), (7, 29958987), (21, 9986329), (41, 5114949), (123, 1704983), (287, 730707), (373, 562233), (653, 321153), (861, 243569), (1119, 187411), (1959, 107051), (2611, 80319), (4571, 45879), (7833, 26773), (13713, 15293)]