61980735

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 102578112

約数和(自身を除く): 40597377

約数列:

[1, 3, 5, 15, 37, 111, 181, 185, 543, 555, 617, 905, 1851, 2715, 3085, 6697, 9255, 20091, 22829, 33485, 68487, 100455, 111677, 114145, 335031, 342435, 558385, 1675155, 4132049, 12396147, 20660245, 61980735]

約数ペア:

[(1, 61980735), (3, 20660245), (5, 12396147), (15, 4132049), (37, 1675155), (111, 558385), (181, 342435), (185, 335031), (543, 114145), (555, 111677), (617, 100455), (905, 68487), (1851, 33485), (2715, 22829), (3085, 20091), (6697, 9255)]