31149531

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 55261440

約数和(自身を除く): 24111909

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 491, 1007, 1113, 1197, 1473, 3021, 3339, 3437, 4419, 7049, 9063, 9329, 10311, 21147, 26023, 27987, 30933, 63441, 65303, 78069, 83961, 182161, 195909, 234207, 494437, 546483, 587727, 1483311, 1639449, 3461059, 4449933, 10383177, 31149531]

約数ペア:

[(1, 31149531), (3, 10383177), (7, 4449933), (9, 3461059), (19, 1639449), (21, 1483311), (53, 587727), (57, 546483), (63, 494437), (133, 234207), (159, 195909), (171, 182161), (371, 83961), (399, 78069), (477, 65303), (491, 63441), (1007, 30933), (1113, 27987), (1197, 26023), (1473, 21147), (3021, 10311), (3339, 9329), (3437, 9063), (4419, 7049)]