291268431

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{12539}}^1$

素因数の和:12663

約数の個数: 24

約数和(自身を含む): 440154000

約数和(自身を除く): 148885569

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 2581, 7743, 12539, 23229, 37617, 112851, 363631, 1090893, 1115971, 3272679, 3347913, 10043739, 32363159, 97089477, 291268431]

約数ペア:

[(1, 291268431), (3, 97089477), (9, 32363159), (29, 10043739), (87, 3347913), (89, 3272679), (261, 1115971), (267, 1090893), (801, 363631), (2581, 112851), (7743, 37617), (12539, 23229)]