81384765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2330

約数の個数: 64

約数和(自身を含む): 167657472

約数和(自身を除く): 86272707

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 155, 165, 217, 231, 341, 385, 465, 651, 1023, 1085, 1155, 1705, 2273, 2387, 3255, 5115, 6819, 7161, 11365, 11935, 15911, 25003, 34095, 35805, 47733, 70463, 75009, 79555, 125015, 175021, 211389, 238665, 352315, 375045, 493241, 525063, 775093, 875105, 1056945, 1479723, 2325279, 2466205, 2625315, 3875465, 5425651, 7398615, 11626395, 16276953, 27128255, 81384765]

約数ペア:

[(1, 81384765), (3, 27128255), (5, 16276953), (7, 11626395), (11, 7398615), (15, 5425651), (21, 3875465), (31, 2625315), (33, 2466205), (35, 2325279), (55, 1479723), (77, 1056945), (93, 875105), (105, 775093), (155, 525063), (165, 493241), (217, 375045), (231, 352315), (341, 238665), (385, 211389), (465, 175021), (651, 125015), (1023, 79555), (1085, 75009), (1155, 70463), (1705, 47733), (2273, 35805), (2387, 34095), (3255, 25003), (5115, 15911), (6819, 11935), (7161, 11365)]