2909907

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 96

約数和(自身を含む): 6289920

約数和(自身を除く): 3380013

約数列:

[1, 3, 7, 9, 11, 13, 17, 19, 21, 33, 39, 51, 57, 63, 77, 91, 99, 117, 119, 133, 143, 153, 171, 187, 209, 221, 231, 247, 273, 323, 357, 399, 429, 561, 627, 663, 693, 741, 819, 969, 1001, 1071, 1197, 1287, 1309, 1463, 1547, 1683, 1729, 1881, 1989, 2223, 2261, 2431, 2717, 2907, 3003, 3553, 3927, 4199, 4389, 4641, 5187, 6783, 7293, 8151, 9009, 10659, 11781, 12597, 13167, 13923, 15561, 17017, 19019, 20349, 21879, 24453, 24871, 29393, 31977, 37791, 46189, 51051, 57057, 74613, 88179, 138567, 153153, 171171, 223839, 264537, 323323, 415701, 969969, 2909907]

約数ペア:

[(1, 2909907), (3, 969969), (7, 415701), (9, 323323), (11, 264537), (13, 223839), (17, 171171), (19, 153153), (21, 138567), (33, 88179), (39, 74613), (51, 57057), (57, 51051), (63, 46189), (77, 37791), (91, 31977), (99, 29393), (117, 24871), (119, 24453), (133, 21879), (143, 20349), (153, 19019), (171, 17017), (187, 15561), (209, 13923), (221, 13167), (231, 12597), (247, 11781), (273, 10659), (323, 9009), (357, 8151), (399, 7293), (429, 6783), (561, 5187), (627, 4641), (663, 4389), (693, 4199), (741, 3927), (819, 3553), (969, 3003), (1001, 2907), (1071, 2717), (1197, 2431), (1287, 2261), (1309, 2223), (1463, 1989), (1547, 1881), (1683, 1729)]