121891539

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 210862080

約数和(自身を除く): 88970541

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 103, 109, 141, 231, 309, 327, 329, 517, 721, 763, 987, 1133, 1199, 1551, 2163, 2289, 3399, 3597, 3619, 4841, 5123, 7931, 8393, 10857, 11227, 14523, 15369, 23793, 25179, 33681, 33887, 35861, 53251, 56353, 78589, 101661, 107583, 123497, 159753, 169059, 235767, 370491, 372757, 394471, 527669, 864479, 1118271, 1183413, 1583007, 2593437, 3693683, 5804359, 11081049, 17413077, 40630513, 121891539]

約数ペア:

[(1, 121891539), (3, 40630513), (7, 17413077), (11, 11081049), (21, 5804359), (33, 3693683), (47, 2593437), (77, 1583007), (103, 1183413), (109, 1118271), (141, 864479), (231, 527669), (309, 394471), (327, 372757), (329, 370491), (517, 235767), (721, 169059), (763, 159753), (987, 123497), (1133, 107583), (1199, 101661), (1551, 78589), (2163, 56353), (2289, 53251), (3399, 35861), (3597, 33887), (3619, 33681), (4841, 25179), (5123, 23793), (7931, 15369), (8393, 14523), (10857, 11227)]