1990755315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{4969}}^1$

素因数の和:5316

約数の個数: 48

約数和(自身を含む): 3581978400

約数和(自身を除く): 1591223085

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 307, 435, 921, 1305, 1535, 2763, 4605, 4969, 8903, 13815, 14907, 24845, 26709, 44515, 44721, 74535, 80127, 133545, 144101, 223605, 400635, 432303, 720505, 1296909, 1525483, 2161515, 4576449, 6484545, 7627415, 13729347, 22882245, 44239007, 68646735, 132717021, 221195035, 398151063, 663585105, 1990755315]

約数ペア:

[(1, 1990755315), (3, 663585105), (5, 398151063), (9, 221195035), (15, 132717021), (29, 68646735), (45, 44239007), (87, 22882245), (145, 13729347), (261, 7627415), (307, 6484545), (435, 4576449), (921, 2161515), (1305, 1525483), (1535, 1296909), (2763, 720505), (4605, 432303), (4969, 400635), (8903, 223605), (13815, 144101), (14907, 133545), (24845, 80127), (26709, 74535), (44515, 44721)]