72065973

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 113773824

約数和(自身を除く): 41707851

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 677, 777, 959, 2031, 2877, 4739, 5069, 14217, 15207, 25049, 35483, 75147, 92749, 106449, 175343, 278247, 526029, 649243, 1947729, 3431713, 10295139, 24021991, 72065973]

約数ペア:

[(1, 72065973), (3, 24021991), (7, 10295139), (21, 3431713), (37, 1947729), (111, 649243), (137, 526029), (259, 278247), (411, 175343), (677, 106449), (777, 92749), (959, 75147), (2031, 35483), (2877, 25049), (4739, 15207), (5069, 14217)]