55144845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 112839480

約数和(自身を除く): 57694635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 281, 315, 441, 445, 623, 735, 801, 843, 1335, 1405, 1869, 1967, 2205, 2529, 3115, 4005, 4215, 4361, 5607, 5901, 9345, 9835, 12645, 13083, 13769, 17703, 21805, 25009, 28035, 29505, 39249, 41307, 65415, 68845, 75027, 88515, 123921, 125045, 175063, 196245, 206535, 225081, 375135, 525189, 619605, 875315, 1125405, 1225441, 1575567, 2625945, 3676323, 6127205, 7877835, 11028969, 18381615, 55144845]

約数ペア:

[(1, 55144845), (3, 18381615), (5, 11028969), (7, 7877835), (9, 6127205), (15, 3676323), (21, 2625945), (35, 1575567), (45, 1225441), (49, 1125405), (63, 875315), (89, 619605), (105, 525189), (147, 375135), (245, 225081), (267, 206535), (281, 196245), (315, 175063), (441, 125045), (445, 123921), (623, 88515), (735, 75027), (801, 68845), (843, 65415), (1335, 41307), (1405, 39249), (1869, 29505), (1967, 28035), (2205, 25009), (2529, 21805), (3115, 17703), (4005, 13769), (4215, 13083), (4361, 12645), (5607, 9835), (5901, 9345)]