39997395

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1697

約数の個数: 40

約数和(自身を含む): 72919440

約数和(自身を除く): 32922045

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1619, 1647, 2745, 4857, 4941, 8095, 8235, 14571, 24285, 24705, 43713, 72855, 98759, 131139, 218565, 296277, 493795, 655695, 888831, 1481385, 2666493, 4444155, 7999479, 13332465, 39997395]

約数ペア:

[(1, 39997395), (3, 13332465), (5, 7999479), (9, 4444155), (15, 2666493), (27, 1481385), (45, 888831), (61, 655695), (81, 493795), (135, 296277), (183, 218565), (305, 131139), (405, 98759), (549, 72855), (915, 43713), (1619, 24705), (1647, 24285), (2745, 14571), (4857, 8235), (4941, 8095)]