251017461

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 398896344

約数和(自身を除く): 147878883

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 421, 433, 459, 1263, 1299, 1377, 3789, 3897, 7157, 7361, 11367, 11691, 21471, 22083, 34101, 35073, 64413, 66249, 182293, 193239, 198747, 546879, 579717, 596241, 1640637, 3098981, 4921911, 9296943, 14765733, 27890829, 83672487, 251017461]

約数ペア:

[(1, 251017461), (3, 83672487), (9, 27890829), (17, 14765733), (27, 9296943), (51, 4921911), (81, 3098981), (153, 1640637), (421, 596241), (433, 579717), (459, 546879), (1263, 198747), (1299, 193239), (1377, 182293), (3789, 66249), (3897, 64413), (7157, 35073), (7361, 34101), (11367, 22083), (11691, 21471)]