17983215

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 34948368

約数和(自身を除く): 16965153

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 81, 95, 123, 135, 171, 205, 243, 285, 361, 369, 405, 513, 615, 779, 855, 1083, 1107, 1215, 1539, 1805, 1845, 2337, 2565, 3249, 3321, 3895, 4617, 5415, 5535, 7011, 7695, 9747, 9963, 11685, 14801, 16245, 16605, 21033, 23085, 29241, 35055, 44403, 48735, 49815, 63099, 74005, 87723, 105165, 133209, 146205, 189297, 222015, 315495, 399627, 438615, 666045, 946485, 1198881, 1998135, 3596643, 5994405, 17983215]

約数ペア:

[(1, 17983215), (3, 5994405), (5, 3596643), (9, 1998135), (15, 1198881), (19, 946485), (27, 666045), (41, 438615), (45, 399627), (57, 315495), (81, 222015), (95, 189297), (123, 146205), (135, 133209), (171, 105165), (205, 87723), (243, 74005), (285, 63099), (361, 49815), (369, 48735), (405, 44403), (513, 35055), (615, 29241), (779, 23085), (855, 21033), (1083, 16605), (1107, 16245), (1215, 14801), (1539, 11685), (1805, 9963), (1845, 9747), (2337, 7695), (2565, 7011), (3249, 5535), (3321, 5415), (3895, 4617)]