51290547

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 92980224

約数和(自身を除く): 41689677

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 353, 357, 407, 561, 629, 777, 1059, 1221, 1309, 1887, 2471, 2849, 3883, 3927, 4403, 6001, 6919, 7413, 8547, 11649, 13061, 13209, 18003, 20757, 27181, 39183, 42007, 48433, 66011, 81543, 91427, 126021, 143671, 145299, 198033, 222037, 274281, 431013, 462077, 666111, 1005697, 1386231, 1554259, 2442407, 3017091, 4662777, 7327221, 17096849, 51290547]

約数ペア:

[(1, 51290547), (3, 17096849), (7, 7327221), (11, 4662777), (17, 3017091), (21, 2442407), (33, 1554259), (37, 1386231), (51, 1005697), (77, 666111), (111, 462077), (119, 431013), (187, 274281), (231, 222037), (259, 198033), (353, 145299), (357, 143671), (407, 126021), (561, 91427), (629, 81543), (777, 66011), (1059, 48433), (1221, 42007), (1309, 39183), (1887, 27181), (2471, 20757), (2849, 18003), (3883, 13209), (3927, 13061), (4403, 11649), (6001, 8547), (6919, 7413)]