8278725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 16860032

約数和(自身を除く): 8581307

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1213, 1365, 2275, 3639, 6065, 6825, 8491, 15769, 18195, 25473, 30325, 42455, 47307, 78845, 90975, 110383, 127365, 212275, 236535, 331149, 394225, 551915, 636825, 1182675, 1655745, 2759575, 8278725]

約数ペア:

[(1, 8278725), (3, 2759575), (5, 1655745), (7, 1182675), (13, 636825), (15, 551915), (21, 394225), (25, 331149), (35, 236535), (39, 212275), (65, 127365), (75, 110383), (91, 90975), (105, 78845), (175, 47307), (195, 42455), (273, 30325), (325, 25473), (455, 18195), (525, 15769), (975, 8491), (1213, 6825), (1365, 6065), (2275, 3639)]