81809235

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29803}}^1$

素因数の和:29875

約数の個数: 24

約数和(自身を含む): 144132144

約数和(自身を除く): 62322909

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 29803, 89409, 149015, 268227, 447045, 1341135, 1817983, 5453949, 9089915, 16361847, 27269745, 81809235]

約数ペア:

[(1, 81809235), (3, 27269745), (5, 16361847), (9, 9089915), (15, 5453949), (45, 1817983), (61, 1341135), (183, 447045), (305, 268227), (549, 149015), (915, 89409), (2745, 29803)]