31979913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 51603456

約数和(自身を除く): 19623543

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 907, 1533, 1679, 2721, 5037, 6349, 11753, 19047, 20861, 35259, 62583, 66211, 146027, 198633, 438081, 463477, 1390431, 1522853, 4568559, 10659971, 31979913]

約数ペア:

[(1, 31979913), (3, 10659971), (7, 4568559), (21, 1522853), (23, 1390431), (69, 463477), (73, 438081), (161, 198633), (219, 146027), (483, 66211), (511, 62583), (907, 35259), (1533, 20861), (1679, 19047), (2721, 11753), (5037, 6349)]