728935215

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{823}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 1178966016

約数和(自身を除く): 450030801

約数列:

[1, 3, 5, 15, 137, 411, 431, 685, 823, 1293, 2055, 2155, 2469, 4115, 6465, 12345, 59047, 112751, 177141, 295235, 338253, 354713, 563755, 885705, 1064139, 1691265, 1773565, 5320695, 48595681, 145787043, 242978405, 728935215]

約数ペア:

[(1, 728935215), (3, 242978405), (5, 145787043), (15, 48595681), (137, 5320695), (411, 1773565), (431, 1691265), (685, 1064139), (823, 885705), (1293, 563755), (2055, 354713), (2155, 338253), (2469, 295235), (4115, 177141), (6465, 112751), (12345, 59047)]