23380245

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 48048000

約数和(自身を除く): 24667755

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2749, 2835, 8247, 8505, 13745, 19243, 24741, 41235, 57729, 74223, 96215, 123705, 173187, 222669, 288645, 371115, 519561, 668007, 865935, 1113345, 1558683, 2597805, 3340035, 4676049, 7793415, 23380245]

約数ペア:

[(1, 23380245), (3, 7793415), (5, 4676049), (7, 3340035), (9, 2597805), (15, 1558683), (21, 1113345), (27, 865935), (35, 668007), (45, 519561), (63, 371115), (81, 288645), (105, 222669), (135, 173187), (189, 123705), (243, 96215), (315, 74223), (405, 57729), (567, 41235), (945, 24741), (1215, 19243), (1701, 13745), (2749, 8505), (2835, 8247)]