71580915

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{3607}}^1$

素因数の和:3638

約数の個数: 60

約数和(自身を含む): 149306256

約数和(自身を除く): 77725341

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3607, 3969, 6615, 10821, 18035, 19845, 25249, 32463, 54105, 75747, 97389, 126245, 162315, 176743, 227241, 292167, 378735, 486945, 530229, 681723, 883715, 1136205, 1460835, 1590687, 2045169, 2651145, 3408615, 4772061, 7953435, 10225845, 14316183, 23860305, 71580915]

約数ペア:

[(1, 71580915), (3, 23860305), (5, 14316183), (7, 10225845), (9, 7953435), (15, 4772061), (21, 3408615), (27, 2651145), (35, 2045169), (45, 1590687), (49, 1460835), (63, 1136205), (81, 883715), (105, 681723), (135, 530229), (147, 486945), (189, 378735), (245, 292167), (315, 227241), (405, 176743), (441, 162315), (567, 126245), (735, 97389), (945, 75747), (1323, 54105), (2205, 32463), (2835, 25249), (3607, 19845), (3969, 18035), (6615, 10821)]