81433845

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 145716480

約数和(自身を除く): 64282635

約数列:

[1, 3, 5, 9, 15, 45, 47, 139, 141, 235, 277, 417, 423, 695, 705, 831, 1251, 1385, 2085, 2115, 2493, 4155, 6255, 6533, 12465, 13019, 19599, 32665, 38503, 39057, 58797, 65095, 97995, 115509, 117171, 192515, 195285, 293985, 346527, 577545, 585855, 1732635, 1809641, 5428923, 9048205, 16286769, 27144615, 81433845]

約数ペア:

[(1, 81433845), (3, 27144615), (5, 16286769), (9, 9048205), (15, 5428923), (45, 1809641), (47, 1732635), (139, 585855), (141, 577545), (235, 346527), (277, 293985), (417, 195285), (423, 192515), (695, 117171), (705, 115509), (831, 97995), (1251, 65095), (1385, 58797), (2085, 39057), (2115, 38503), (2493, 32665), (4155, 19599), (6255, 13019), (6533, 12465)]