30139215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 51420096

約数和(自身を除く): 21280881

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 653, 905, 1959, 2715, 3077, 3265, 9231, 9795, 11101, 15385, 33303, 46155, 55505, 118193, 166515, 354579, 590965, 1772895, 2009281, 6027843, 10046405, 30139215]

約数ペア:

[(1, 30139215), (3, 10046405), (5, 6027843), (15, 2009281), (17, 1772895), (51, 590965), (85, 354579), (181, 166515), (255, 118193), (543, 55505), (653, 46155), (905, 33303), (1959, 15385), (2715, 11101), (3077, 9795), (3265, 9231)]