66991491

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 114566400

約数和(自身を除く): 47574909

約数列:

[1, 3, 7, 9, 21, 59, 63, 67, 177, 201, 269, 413, 469, 531, 603, 807, 1239, 1407, 1883, 2421, 3717, 3953, 4221, 5649, 11859, 15871, 16947, 18023, 27671, 35577, 47613, 54069, 83013, 111097, 126161, 142839, 162207, 249039, 333291, 378483, 999873, 1063357, 1135449, 3190071, 7443499, 9570213, 22330497, 66991491]

約数ペア:

[(1, 66991491), (3, 22330497), (7, 9570213), (9, 7443499), (21, 3190071), (59, 1135449), (63, 1063357), (67, 999873), (177, 378483), (201, 333291), (269, 249039), (413, 162207), (469, 142839), (531, 126161), (603, 111097), (807, 83013), (1239, 54069), (1407, 47613), (1883, 35577), (2421, 27671), (3717, 18023), (3953, 16947), (4221, 15871), (5649, 11859)]