61812225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 54

約数和(自身を含む): 116999766

約数和(自身を除く): 55187541

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 761, 855, 1083, 1425, 1805, 2283, 3249, 3805, 4275, 5415, 6849, 9025, 11415, 14459, 16245, 19025, 27075, 34245, 43377, 57075, 72295, 81225, 130131, 171225, 216885, 274721, 361475, 650655, 824163, 1084425, 1373605, 2472489, 3253275, 4120815, 6868025, 12362445, 20604075, 61812225]

約数ペア:

[(1, 61812225), (3, 20604075), (5, 12362445), (9, 6868025), (15, 4120815), (19, 3253275), (25, 2472489), (45, 1373605), (57, 1084425), (75, 824163), (95, 650655), (171, 361475), (225, 274721), (285, 216885), (361, 171225), (475, 130131), (761, 81225), (855, 72295), (1083, 57075), (1425, 43377), (1805, 34245), (2283, 27075), (3249, 19025), (3805, 16245), (4275, 14459), (5415, 11415), (6849, 9025)]