207943947

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{5147}}^1$

素因数の和:5287

約数の個数: 18

約数和(自身を含む): 304972668

約数和(自身を除く): 97028721

約数列:

[1, 3, 9, 67, 201, 603, 4489, 5147, 13467, 15441, 40401, 46323, 344849, 1034547, 3103641, 23104883, 69314649, 207943947]

約数ペア:

[(1, 207943947), (3, 69314649), (9, 23104883), (67, 3103641), (201, 1034547), (603, 344849), (4489, 46323), (5147, 40401), (13467, 15441)]