825390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1019}}^1$

素因数の和:1038

約数の個数: 40

約数和(自身を含む): 2221560

約数和(自身を除く): 1396170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1019, 2038, 3057, 5095, 6114, 9171, 10190, 15285, 18342, 27513, 30570, 45855, 55026, 82539, 91710, 137565, 165078, 275130, 412695, 825390]

約数ペア:

[(1, 825390), (2, 412695), (3, 275130), (5, 165078), (6, 137565), (9, 91710), (10, 82539), (15, 55026), (18, 45855), (27, 30570), (30, 27513), (45, 18342), (54, 15285), (81, 10190), (90, 9171), (135, 6114), (162, 5095), (270, 3057), (405, 2038), (810, 1019)]