1640288745

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{146389}}^1$

素因数の和:146486

約数の個数: 32

約数和(自身を含む): 2951222400

約数和(自身を除く): 1310933655

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 3735, 11205, 146389, 439167, 731945, 1317501, 2195835, 3952503, 6587505, 12150287, 19762515, 36450861, 60751435, 109352583, 182254305, 328057749, 546762915, 1640288745]

約数ペア:

[(1, 1640288745), (3, 546762915), (5, 328057749), (9, 182254305), (15, 109352583), (27, 60751435), (45, 36450861), (83, 19762515), (135, 12150287), (249, 6587505), (415, 3952503), (747, 2195835), (1245, 1317501), (2241, 731945), (3735, 439167), (11205, 146389)]