81015390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{100019}}^1$

素因数の和:100038

約数の個数: 40

約数和(自身を含む): 217843560

約数和(自身を除く): 136828170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 100019, 200038, 300057, 500095, 600114, 900171, 1000190, 1500285, 1800342, 2700513, 3000570, 4500855, 5401026, 8101539, 9001710, 13502565, 16203078, 27005130, 40507695, 81015390]

約数ペア:

[(1, 81015390), (2, 40507695), (3, 27005130), (5, 16203078), (6, 13502565), (9, 9001710), (10, 8101539), (15, 5401026), (18, 4500855), (27, 3000570), (30, 2700513), (45, 1800342), (54, 1500285), (81, 1000190), (90, 900171), (135, 600114), (162, 500095), (270, 300057), (405, 200038), (810, 100019)]