2788065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 5660928

約数和(自身を除く): 2872863

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 167, 265, 315, 371, 477, 501, 795, 835, 1113, 1169, 1503, 1855, 2385, 2505, 3339, 3507, 5565, 5845, 7515, 8851, 10521, 16695, 17535, 26553, 44255, 52605, 61957, 79659, 132765, 185871, 309785, 398295, 557613, 929355, 2788065]

約数ペア:

[(1, 2788065), (3, 929355), (5, 557613), (7, 398295), (9, 309785), (15, 185871), (21, 132765), (35, 79659), (45, 61957), (53, 52605), (63, 44255), (105, 26553), (159, 17535), (167, 16695), (265, 10521), (315, 8851), (371, 7515), (477, 5845), (501, 5565), (795, 3507), (835, 3339), (1113, 2505), (1169, 2385), (1503, 1855)]