404740959

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{971}}^1$

素因数の和:1867

約数の個数: 32

約数和(自身を含む): 644972544

約数和(自身を除く): 240231585

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 863, 971, 2589, 2913, 6041, 6797, 18123, 19849, 20391, 22333, 59547, 66999, 138943, 156331, 416829, 468993, 837973, 2513919, 5865811, 17597433, 19273379, 57820137, 134913653, 404740959]

約数ペア:

[(1, 404740959), (3, 134913653), (7, 57820137), (21, 19273379), (23, 17597433), (69, 5865811), (161, 2513919), (483, 837973), (863, 468993), (971, 416829), (2589, 156331), (2913, 138943), (6041, 66999), (6797, 59547), (18123, 22333), (19849, 20391)]