2538525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 4874688

約数和(自身を除く): 2336163

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 181, 187, 255, 275, 425, 543, 561, 825, 905, 935, 1275, 1991, 2715, 2805, 3077, 4525, 4675, 5973, 9231, 9955, 13575, 14025, 15385, 29865, 33847, 46155, 49775, 76925, 101541, 149325, 169235, 230775, 507705, 846175, 2538525]

約数ペア:

[(1, 2538525), (3, 846175), (5, 507705), (11, 230775), (15, 169235), (17, 149325), (25, 101541), (33, 76925), (51, 49775), (55, 46155), (75, 33847), (85, 29865), (165, 15385), (181, 14025), (187, 13575), (255, 9955), (275, 9231), (425, 5973), (543, 4675), (561, 4525), (825, 3077), (905, 2805), (935, 2715), (1275, 1991)]