56578977

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 104569920

約数和(自身を除く): 47990943

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 71, 91, 117, 139, 147, 213, 273, 417, 441, 497, 637, 639, 819, 923, 973, 1251, 1491, 1807, 1911, 2769, 2919, 3479, 4473, 5421, 5733, 6461, 6811, 8307, 8757, 9869, 10437, 12649, 16263, 19383, 20433, 29607, 31311, 37947, 45227, 58149, 61299, 69083, 88543, 88821, 113841, 128297, 135681, 207249, 265629, 384891, 407043, 483581, 621747, 796887, 898079, 1154673, 1450743, 2694237, 4352229, 6286553, 8082711, 18859659, 56578977]

約数ペア:

[(1, 56578977), (3, 18859659), (7, 8082711), (9, 6286553), (13, 4352229), (21, 2694237), (39, 1450743), (49, 1154673), (63, 898079), (71, 796887), (91, 621747), (117, 483581), (139, 407043), (147, 384891), (213, 265629), (273, 207249), (417, 135681), (441, 128297), (497, 113841), (637, 88821), (639, 88543), (819, 69083), (923, 61299), (973, 58149), (1251, 45227), (1491, 37947), (1807, 31311), (1911, 29607), (2769, 20433), (2919, 19383), (3479, 16263), (4473, 12649), (5421, 10437), (5733, 9869), (6461, 8757), (6811, 8307)]