309486989

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1867}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 383313600

約数和(自身を除く): 73826611

約数列:

[1, 7, 17, 49, 119, 199, 833, 1393, 1867, 3383, 9751, 13069, 23681, 31739, 91483, 165767, 222173, 371533, 1555211, 2600731, 6316061, 18205117, 44212427, 309486989]

約数ペア:

[(1, 309486989), (7, 44212427), (17, 18205117), (49, 6316061), (119, 2600731), (199, 1555211), (833, 371533), (1393, 222173), (1867, 165767), (3383, 91483), (9751, 31739), (13069, 23681)]