28703829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 48116736

約数和(自身を除く): 19412907

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 907, 959, 1507, 2721, 2877, 4521, 6349, 9977, 10549, 19047, 29931, 31647, 69839, 124259, 209517, 372777, 869813, 1366849, 2609439, 4100547, 9567943, 28703829]

約数ペア:

[(1, 28703829), (3, 9567943), (7, 4100547), (11, 2609439), (21, 1366849), (33, 869813), (77, 372777), (137, 209517), (231, 124259), (411, 69839), (907, 31647), (959, 29931), (1507, 19047), (2721, 10549), (2877, 9977), (4521, 6349)]