87249813

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 137195520

約数和(自身を除く): 49945707

約数列:

[1, 3, 7, 21, 47, 109, 141, 327, 329, 763, 811, 987, 2289, 2433, 5123, 5677, 15369, 17031, 35861, 38117, 88399, 107583, 114351, 265197, 266819, 618793, 800457, 1856379, 4154753, 12464259, 29083271, 87249813]

約数ペア:

[(1, 87249813), (3, 29083271), (7, 12464259), (21, 4154753), (47, 1856379), (109, 800457), (141, 618793), (327, 266819), (329, 265197), (763, 114351), (811, 107583), (987, 88399), (2289, 38117), (2433, 35861), (5123, 17031), (5677, 15369)]