391878825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1451}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 700746816

約数和(自身を除く): 308867991

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 277, 325, 831, 975, 1385, 1451, 3601, 4155, 4353, 6925, 7255, 10803, 18005, 18863, 20775, 21765, 36275, 54015, 56589, 90025, 94315, 108825, 270075, 282945, 401927, 471575, 1205781, 1414725, 2009635, 5225051, 6028905, 10048175, 15675153, 26125255, 30144525, 78375765, 130626275, 391878825]

約数ペア:

[(1, 391878825), (3, 130626275), (5, 78375765), (13, 30144525), (15, 26125255), (25, 15675153), (39, 10048175), (65, 6028905), (75, 5225051), (195, 2009635), (277, 1414725), (325, 1205781), (831, 471575), (975, 401927), (1385, 282945), (1451, 270075), (3601, 108825), (4155, 94315), (4353, 90025), (6925, 56589), (7255, 54015), (10803, 36275), (18005, 21765), (18863, 20775)]