81454155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1031}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 136719360

約数和(自身を除く): 55265205

約数列:

[1, 3, 5, 15, 23, 69, 115, 229, 345, 687, 1031, 1145, 3093, 3435, 5155, 5267, 15465, 15801, 23713, 26335, 71139, 79005, 118565, 236099, 355695, 708297, 1180495, 3541485, 5430277, 16290831, 27151385, 81454155]

約数ペア:

[(1, 81454155), (3, 27151385), (5, 16290831), (15, 5430277), (23, 3541485), (69, 1180495), (115, 708297), (229, 355695), (345, 236099), (687, 118565), (1031, 79005), (1145, 71139), (3093, 26335), (3435, 23713), (5155, 15801), (5267, 15465)]