217433727

素因数分解:

$3^7\times 7^2\times {\mathrm{2029}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 379528800

約数和(自身を除く): 162095073

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 2029, 2187, 3969, 5103, 6087, 11907, 14203, 15309, 18261, 35721, 42609, 54783, 99421, 107163, 127827, 164349, 298263, 383481, 493047, 894789, 1150443, 1479141, 2684367, 3451329, 4437423, 8053101, 10353987, 24159303, 31061961, 72477909, 217433727]

約数ペア:

[(1, 217433727), (3, 72477909), (7, 31061961), (9, 24159303), (21, 10353987), (27, 8053101), (49, 4437423), (63, 3451329), (81, 2684367), (147, 1479141), (189, 1150443), (243, 894789), (441, 493047), (567, 383481), (729, 298263), (1323, 164349), (1701, 127827), (2029, 107163), (2187, 99421), (3969, 54783), (5103, 42609), (6087, 35721), (11907, 18261), (14203, 15309)]