168374619

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 289528800

約数和(自身を除く): 121154181

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 1043, 1341, 1993, 3129, 4023, 5979, 9387, 12069, 13951, 17937, 28161, 41853, 53811, 84483, 125559, 161433, 296957, 376677, 890871, 1130031, 2078699, 2672613, 6236097, 8017839, 18708291, 24053517, 56124873, 168374619]

約数ペア:

[(1, 168374619), (3, 56124873), (7, 24053517), (9, 18708291), (21, 8017839), (27, 6236097), (63, 2672613), (81, 2078699), (149, 1130031), (189, 890871), (447, 376677), (567, 296957), (1043, 161433), (1341, 125559), (1993, 84483), (3129, 53811), (4023, 41853), (5979, 28161), (9387, 17937), (12069, 13951)]