66568515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 124540416

約数和(自身を除く): 57971901

約数列:

[1, 3, 5, 13, 15, 17, 39, 43, 51, 65, 85, 129, 195, 215, 221, 255, 467, 559, 645, 663, 731, 1105, 1401, 1677, 2193, 2335, 2795, 3315, 3655, 6071, 7005, 7939, 8385, 9503, 10965, 18213, 20081, 23817, 28509, 30355, 39695, 47515, 60243, 91065, 100405, 103207, 119085, 142545, 261053, 301215, 309621, 341377, 516035, 783159, 1024131, 1305265, 1548105, 1706885, 3915795, 4437901, 5120655, 13313703, 22189505, 66568515]

約数ペア:

[(1, 66568515), (3, 22189505), (5, 13313703), (13, 5120655), (15, 4437901), (17, 3915795), (39, 1706885), (43, 1548105), (51, 1305265), (65, 1024131), (85, 783159), (129, 516035), (195, 341377), (215, 309621), (221, 301215), (255, 261053), (467, 142545), (559, 119085), (645, 103207), (663, 100405), (731, 91065), (1105, 60243), (1401, 47515), (1677, 39695), (2193, 30355), (2335, 28509), (2795, 23817), (3315, 20081), (3655, 18213), (6071, 10965), (7005, 9503), (7939, 8385)]