64805751

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2525

約数の個数: 40

約数和(自身を含む): 107941680

約数和(自身を除く): 43135929

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2477, 2907, 7431, 8721, 22293, 26163, 42109, 47063, 66879, 126327, 141189, 200637, 378981, 423567, 800071, 1136943, 1270701, 2400213, 3410829, 3812103, 7200639, 21601917, 64805751]

約数ペア:

[(1, 64805751), (3, 21601917), (9, 7200639), (17, 3812103), (19, 3410829), (27, 2400213), (51, 1270701), (57, 1136943), (81, 800071), (153, 423567), (171, 378981), (323, 200637), (459, 141189), (513, 126327), (969, 66879), (1377, 47063), (1539, 42109), (2477, 26163), (2907, 22293), (7431, 8721)]