208705329

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19373}}^1$

素因数の和:19411

約数の個数: 40

約数和(自身を含む): 375080640

約数和(自身を除く): 166375311

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 19373, 58119, 135611, 174357, 368087, 406833, 523071, 1104261, 1220499, 1569213, 2576609, 3312783, 3661497, 7729827, 9938349, 10984491, 23189481, 29815047, 69568443, 208705329]

約数ペア:

[(1, 208705329), (3, 69568443), (7, 29815047), (9, 23189481), (19, 10984491), (21, 9938349), (27, 7729827), (57, 3661497), (63, 3312783), (81, 2576609), (133, 1569213), (171, 1220499), (189, 1104261), (399, 523071), (513, 406833), (567, 368087), (1197, 174357), (1539, 135611), (3591, 58119), (10773, 19373)]