17920485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 34751808

約数和(自身を除く): 16831323

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 883, 1353, 1845, 2255, 2649, 4059, 4415, 6765, 7947, 9713, 13245, 20295, 29139, 36203, 39735, 48565, 87417, 108609, 145695, 181015, 325827, 398233, 437085, 543045, 1194699, 1629135, 1991165, 3584097, 5973495, 17920485]

約数ペア:

[(1, 17920485), (3, 5973495), (5, 3584097), (9, 1991165), (11, 1629135), (15, 1194699), (33, 543045), (41, 437085), (45, 398233), (55, 325827), (99, 181015), (123, 145695), (165, 108609), (205, 87417), (369, 48565), (451, 39735), (495, 36203), (615, 29139), (883, 20295), (1353, 13245), (1845, 9713), (2255, 7947), (2649, 6765), (4059, 4415)]