90021885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15349}}^1$

素因数の和:15397

約数の個数: 32

約数和(自身を含む): 159148800

約数和(自身を除く): 69126915

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 15349, 46047, 76745, 230235, 260933, 353027, 782799, 1059081, 1304665, 1765135, 3913995, 5295405, 6001459, 18004377, 30007295, 90021885]

約数ペア:

[(1, 90021885), (3, 30007295), (5, 18004377), (15, 6001459), (17, 5295405), (23, 3913995), (51, 1765135), (69, 1304665), (85, 1059081), (115, 782799), (255, 353027), (345, 260933), (391, 230235), (1173, 76745), (1955, 46047), (5865, 15349)]