168020307

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 308166144

約数和(自身を除く): 140145837

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 169, 273, 301, 367, 387, 507, 559, 819, 903, 1101, 1183, 1521, 1677, 2569, 2709, 3303, 3549, 3913, 4771, 5031, 7267, 7707, 10647, 11739, 14313, 15781, 21801, 23121, 33397, 35217, 42939, 47343, 50869, 62023, 65403, 100191, 110467, 142029, 152607, 186069, 205153, 300573, 331401, 434161, 457821, 558207, 615459, 994203, 1302483, 1436071, 1846377, 2666989, 3907449, 4308213, 8000967, 12924639, 18668923, 24002901, 56006769, 168020307]

約数ペア:

[(1, 168020307), (3, 56006769), (7, 24002901), (9, 18668923), (13, 12924639), (21, 8000967), (39, 4308213), (43, 3907449), (63, 2666989), (91, 1846377), (117, 1436071), (129, 1302483), (169, 994203), (273, 615459), (301, 558207), (367, 457821), (387, 434161), (507, 331401), (559, 300573), (819, 205153), (903, 186069), (1101, 152607), (1183, 142029), (1521, 110467), (1677, 100191), (2569, 65403), (2709, 62023), (3303, 50869), (3549, 47343), (3913, 42939), (4771, 35217), (5031, 33397), (7267, 23121), (7707, 21801), (10647, 15781), (11739, 14313)]