264660291

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 479291904

約数和(自身を除く): 214631613

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 361, 399, 431, 513, 567, 1083, 1197, 1293, 1539, 1701, 2527, 3017, 3249, 3591, 3879, 4617, 7581, 8189, 9051, 9747, 10773, 11637, 22743, 24567, 27153, 29241, 32319, 34911, 57323, 68229, 73701, 81459, 87723, 104733, 155591, 171969, 204687, 221103, 244377, 466773, 515907, 614061, 663309, 733131, 1089137, 1400319, 1547721, 1989927, 3267411, 4200957, 4643163, 9802233, 12602871, 13929489, 29406699, 37808613, 88220097, 264660291]

約数ペア:

[(1, 264660291), (3, 88220097), (7, 37808613), (9, 29406699), (19, 13929489), (21, 12602871), (27, 9802233), (57, 4643163), (63, 4200957), (81, 3267411), (133, 1989927), (171, 1547721), (189, 1400319), (243, 1089137), (361, 733131), (399, 663309), (431, 614061), (513, 515907), (567, 466773), (1083, 244377), (1197, 221103), (1293, 204687), (1539, 171969), (1701, 155591), (2527, 104733), (3017, 87723), (3249, 81459), (3591, 73701), (3879, 68229), (4617, 57323), (7581, 34911), (8189, 32319), (9051, 29241), (9747, 27153), (10773, 24567), (11637, 22743)]