668851197

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1811}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 1046031360

約数和(自身を除く): 377180163

約数列:

[1, 3, 7, 21, 43, 129, 301, 409, 903, 1227, 1811, 2863, 5433, 8589, 12677, 17587, 38031, 52761, 77873, 123109, 233619, 369327, 545111, 740699, 1635333, 2222097, 5184893, 15554679, 31850057, 95550171, 222950399, 668851197]

約数ペア:

[(1, 668851197), (3, 222950399), (7, 95550171), (21, 31850057), (43, 15554679), (129, 5184893), (301, 2222097), (409, 1635333), (903, 740699), (1227, 545111), (1811, 369327), (2863, 233619), (5433, 123109), (8589, 77873), (12677, 52761), (17587, 38031)]