28013013

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 19910187

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1439, 2163, 2781, 4317, 6489, 10073, 12951, 19467, 30219, 38853, 90657, 148217, 271971, 444651, 1037519, 1333953, 3112557, 4001859, 9337671, 28013013]

約数ペア:

[(1, 28013013), (3, 9337671), (7, 4001859), (9, 3112557), (21, 1333953), (27, 1037519), (63, 444651), (103, 271971), (189, 148217), (309, 90657), (721, 38853), (927, 30219), (1439, 19467), (2163, 12951), (2781, 10073), (4317, 6489)]