38191905

素因数分解:

$3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 68972904

約数和(自身を除く): 30780999

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 181, 405, 521, 543, 905, 1563, 1629, 2605, 2715, 4689, 4887, 7815, 8145, 14067, 14661, 23445, 24435, 42201, 70335, 73305, 94301, 211005, 282903, 471505, 848709, 1414515, 2546127, 4243545, 7638381, 12730635, 38191905]

約数ペア:

[(1, 38191905), (3, 12730635), (5, 7638381), (9, 4243545), (15, 2546127), (27, 1414515), (45, 848709), (81, 471505), (135, 282903), (181, 211005), (405, 94301), (521, 73305), (543, 70335), (905, 42201), (1563, 24435), (1629, 23445), (2605, 14661), (2715, 14067), (4689, 8145), (4887, 7815)]