81859239

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6217}}^1$

素因数の和:6260

約数の個数: 48

約数和(自身を含む): 155201280

約数和(自身を除く): 73342041

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 6217, 13167, 18651, 43519, 55953, 68387, 118123, 130557, 205161, 354369, 391671, 478709, 615483, 826861, 1063107, 1299353, 1436127, 2480583, 3898059, 4308381, 7441749, 9095471, 11694177, 27286413, 81859239]

約数ペア:

[(1, 81859239), (3, 27286413), (7, 11694177), (9, 9095471), (11, 7441749), (19, 4308381), (21, 3898059), (33, 2480583), (57, 1436127), (63, 1299353), (77, 1063107), (99, 826861), (133, 615483), (171, 478709), (209, 391671), (231, 354369), (399, 205161), (627, 130557), (693, 118123), (1197, 68387), (1463, 55953), (1881, 43519), (4389, 18651), (6217, 13167)]