142387731

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 209454336

約数和(自身を除く): 67066605

約数列:

[1, 3, 9, 71, 213, 443, 503, 639, 1329, 1509, 3987, 4527, 31453, 35713, 94359, 107139, 222829, 283077, 321417, 668487, 2005461, 15820859, 47462577, 142387731]

約数ペア:

[(1, 142387731), (3, 47462577), (9, 15820859), (71, 2005461), (213, 668487), (443, 321417), (503, 283077), (639, 222829), (1329, 107139), (1509, 94359), (3987, 35713), (4527, 31453)]