208542243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16253}}^1$

素因数の和:16323

約数の個数: 32

約数和(自身を含む): 349526016

約数和(自身を除く): 140983773

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 16253, 48759, 113771, 211289, 341313, 633867, 763891, 1479023, 2291673, 4437069, 5347237, 9930583, 16041711, 29791749, 69514081, 208542243]

約数ペア:

[(1, 208542243), (3, 69514081), (7, 29791749), (13, 16041711), (21, 9930583), (39, 5347237), (47, 4437069), (91, 2291673), (141, 1479023), (273, 763891), (329, 633867), (611, 341313), (987, 211289), (1833, 113771), (4277, 48759), (12831, 16253)]