81706338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1667}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 202962240

約数和(自身を除く): 121255902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 778, 1167, 1667, 2334, 2723, 3334, 3501, 5001, 5446, 7002, 8169, 10002, 11669, 15003, 16338, 23338, 24507, 30006, 35007, 49014, 70014, 105021, 210042, 648463, 1296926, 1945389, 3890778, 4539241, 5836167, 9078482, 11672334, 13617723, 27235446, 40853169, 81706338]

約数ペア:

[(1, 81706338), (2, 40853169), (3, 27235446), (6, 13617723), (7, 11672334), (9, 9078482), (14, 5836167), (18, 4539241), (21, 3890778), (42, 1945389), (63, 1296926), (126, 648463), (389, 210042), (778, 105021), (1167, 70014), (1667, 49014), (2334, 35007), (2723, 30006), (3334, 24507), (3501, 23338), (5001, 16338), (5446, 15003), (7002, 11669), (8169, 10002)]