27722121

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 20846199

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 61, 67, 119, 133, 183, 201, 323, 357, 399, 427, 469, 969, 1037, 1139, 1159, 1273, 1281, 1407, 2261, 3111, 3417, 3477, 3819, 4087, 6783, 7259, 7973, 8113, 8911, 12261, 19703, 21641, 21777, 23919, 24339, 26733, 28609, 59109, 64923, 69479, 77653, 85827, 137921, 151487, 208437, 232959, 413763, 454461, 486353, 543571, 1320101, 1459059, 1630713, 3960303, 9240707, 27722121]

約数ペア:

[(1, 27722121), (3, 9240707), (7, 3960303), (17, 1630713), (19, 1459059), (21, 1320101), (51, 543571), (57, 486353), (61, 454461), (67, 413763), (119, 232959), (133, 208437), (183, 151487), (201, 137921), (323, 85827), (357, 77653), (399, 69479), (427, 64923), (469, 59109), (969, 28609), (1037, 26733), (1139, 24339), (1159, 23919), (1273, 21777), (1281, 21641), (1407, 19703), (2261, 12261), (3111, 8911), (3417, 8113), (3477, 7973), (3819, 7259), (4087, 6783)]