16128189

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 31606848

約数和(自身を除く): 15478659

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 37, 51, 63, 77, 99, 111, 119, 153, 187, 231, 259, 333, 357, 407, 561, 629, 693, 777, 1071, 1221, 1309, 1369, 1683, 1887, 2331, 2849, 3663, 3927, 4107, 4403, 5661, 6919, 8547, 9583, 11781, 12321, 13209, 15059, 20757, 23273, 25641, 28749, 39627, 45177, 48433, 62271, 69819, 86247, 105413, 135531, 145299, 162911, 209457, 256003, 316239, 435897, 488733, 768009, 948717, 1466199, 1792021, 2304027, 5376063, 16128189]

約数ペア:

[(1, 16128189), (3, 5376063), (7, 2304027), (9, 1792021), (11, 1466199), (17, 948717), (21, 768009), (33, 488733), (37, 435897), (51, 316239), (63, 256003), (77, 209457), (99, 162911), (111, 145299), (119, 135531), (153, 105413), (187, 86247), (231, 69819), (259, 62271), (333, 48433), (357, 45177), (407, 39627), (561, 28749), (629, 25641), (693, 23273), (777, 20757), (1071, 15059), (1221, 13209), (1309, 12321), (1369, 11781), (1683, 9583), (1887, 8547), (2331, 6919), (2849, 5661), (3663, 4403), (3927, 4107)]