31748787

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{971}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 22372173

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 971, 1211, 1557, 2913, 3633, 4671, 6797, 8739, 10899, 20391, 26217, 32697, 61173, 167983, 183519, 503949, 1175881, 1511847, 3527643, 4535541, 10582929, 31748787]

約数ペア:

[(1, 31748787), (3, 10582929), (7, 4535541), (9, 3527643), (21, 1511847), (27, 1175881), (63, 503949), (173, 183519), (189, 167983), (519, 61173), (971, 32697), (1211, 26217), (1557, 20391), (2913, 10899), (3633, 8739), (4671, 6797)]