81974430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{101203}}^1$

素因数の和:101222

約数の個数: 40

約数和(自身を含む): 220422312

約数和(自身を除く): 138447882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 101203, 202406, 303609, 506015, 607218, 910827, 1012030, 1518045, 1821654, 2732481, 3036090, 4554135, 5464962, 8197443, 9108270, 13662405, 16394886, 27324810, 40987215, 81974430]

約数ペア:

[(1, 81974430), (2, 40987215), (3, 27324810), (5, 16394886), (6, 13662405), (9, 9108270), (10, 8197443), (15, 5464962), (18, 4554135), (27, 3036090), (30, 2732481), (45, 1821654), (54, 1518045), (81, 1012030), (90, 910827), (135, 607218), (162, 506015), (270, 303609), (405, 202406), (810, 101203)]