204815745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{15749}}^1$

素因数の和:15794

約数の個数: 36

約数和(自身を含む): 377149500

約数和(自身を除く): 172333755

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 13005, 15749, 47247, 78745, 141741, 236235, 267733, 708705, 803199, 1338665, 2409597, 4015995, 4551461, 12047985, 13654383, 22757305, 40963149, 68271915, 204815745]

約数ペア:

[(1, 204815745), (3, 68271915), (5, 40963149), (9, 22757305), (15, 13654383), (17, 12047985), (45, 4551461), (51, 4015995), (85, 2409597), (153, 1338665), (255, 803199), (289, 708705), (765, 267733), (867, 236235), (1445, 141741), (2601, 78745), (4335, 47247), (13005, 15749)]