25238115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 29090205

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1571, 1785, 2295, 3213, 4713, 5355, 7855, 10997, 14139, 16065, 23565, 26707, 32991, 42417, 54985, 70695, 80121, 98973, 133535, 164955, 186949, 212085, 240363, 296919, 400605, 494865, 560847, 721089, 934745, 1201815, 1484595, 1682541, 2804235, 3605445, 5047623, 8412705, 25238115]

約数ペア:

[(1, 25238115), (3, 8412705), (5, 5047623), (7, 3605445), (9, 2804235), (15, 1682541), (17, 1484595), (21, 1201815), (27, 934745), (35, 721089), (45, 560847), (51, 494865), (63, 400605), (85, 296919), (105, 240363), (119, 212085), (135, 186949), (153, 164955), (189, 133535), (255, 98973), (315, 80121), (357, 70695), (459, 54985), (595, 42417), (765, 32991), (945, 26707), (1071, 23565), (1571, 16065), (1785, 14139), (2295, 10997), (3213, 7855), (4713, 5355)]