23375187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 42144960

約数和(自身を除く): 18769773

約数列:

[1, 3, 9, 11, 17, 19, 33, 43, 51, 57, 99, 129, 153, 171, 187, 209, 289, 323, 387, 473, 561, 627, 731, 817, 867, 969, 1419, 1683, 1881, 2193, 2451, 2601, 2907, 3179, 3553, 4257, 5491, 6579, 7353, 8041, 8987, 9537, 10659, 12427, 13889, 16473, 24123, 26961, 28611, 31977, 37281, 41667, 49419, 60401, 72369, 80883, 111843, 125001, 136697, 152779, 181203, 236113, 410091, 458337, 543609, 708339, 1230273, 1375011, 2125017, 2597243, 7791729, 23375187]

約数ペア:

[(1, 23375187), (3, 7791729), (9, 2597243), (11, 2125017), (17, 1375011), (19, 1230273), (33, 708339), (43, 543609), (51, 458337), (57, 410091), (99, 236113), (129, 181203), (153, 152779), (171, 136697), (187, 125001), (209, 111843), (289, 80883), (323, 72369), (387, 60401), (473, 49419), (561, 41667), (627, 37281), (731, 31977), (817, 28611), (867, 26961), (969, 24123), (1419, 16473), (1683, 13889), (1881, 12427), (2193, 10659), (2451, 9537), (2601, 8987), (2907, 8041), (3179, 7353), (3553, 6579), (4257, 5491)]