81613005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1181}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 138889728

約数和(自身を除く): 57276723

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1181, 1355, 3543, 4065, 4607, 5905, 13821, 17715, 20077, 23035, 60231, 69105, 100385, 301155, 320051, 960153, 1600255, 4800765, 5440867, 16322601, 27204335, 81613005]

約数ペア:

[(1, 81613005), (3, 27204335), (5, 16322601), (15, 5440867), (17, 4800765), (51, 1600255), (85, 960153), (255, 320051), (271, 301155), (813, 100385), (1181, 69105), (1355, 60231), (3543, 23035), (4065, 20077), (4607, 17715), (5905, 13821)]