81813185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 107993088

約数和(自身を除く): 26179903

約数列:

[1, 5, 23, 31, 53, 115, 155, 265, 433, 713, 1219, 1643, 2165, 3565, 6095, 8215, 9959, 13423, 22949, 37789, 49795, 67115, 114745, 188945, 308729, 527827, 711419, 1543645, 2639135, 3557095, 16362637, 81813185]

約数ペア:

[(1, 81813185), (5, 16362637), (23, 3557095), (31, 2639135), (53, 1543645), (115, 711419), (155, 527827), (265, 308729), (433, 188945), (713, 114745), (1219, 67115), (1643, 49795), (2165, 37789), (3565, 22949), (6095, 13423), (8215, 9959)]