71851839

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 104231424

約数和(自身を除く): 32379585

約数列:

[1, 3, 23, 43, 61, 69, 129, 183, 397, 989, 1191, 1403, 2623, 2967, 4209, 7869, 9131, 17071, 24217, 27393, 51213, 60329, 72651, 180987, 392633, 556991, 1041331, 1177899, 1670973, 3123993, 23950613, 71851839]

約数ペア:

[(1, 71851839), (3, 23950613), (23, 3123993), (43, 1670973), (61, 1177899), (69, 1041331), (129, 556991), (183, 392633), (397, 180987), (989, 72651), (1191, 60329), (1403, 51213), (2623, 27393), (2967, 24217), (4209, 17071), (7869, 9131)]