28572453

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 54028800

約数和(自身を除く): 25456347

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 87, 91, 117, 189, 203, 261, 273, 351, 377, 401, 609, 783, 819, 1131, 1203, 1827, 2457, 2639, 2807, 3393, 3609, 5213, 5481, 7917, 8421, 10179, 10827, 11629, 15639, 23751, 25263, 34887, 36491, 46917, 71253, 75789, 81403, 104661, 109473, 140751, 151177, 244209, 313983, 328419, 453531, 732627, 985257, 1058239, 1360593, 2197881, 3174717, 4081779, 9524151, 28572453]

約数ペア:

[(1, 28572453), (3, 9524151), (7, 4081779), (9, 3174717), (13, 2197881), (21, 1360593), (27, 1058239), (29, 985257), (39, 732627), (63, 453531), (87, 328419), (91, 313983), (117, 244209), (189, 151177), (203, 140751), (261, 109473), (273, 104661), (351, 81403), (377, 75789), (401, 71253), (609, 46917), (783, 36491), (819, 34887), (1131, 25263), (1203, 23751), (1827, 15639), (2457, 11629), (2639, 10827), (2807, 10179), (3393, 8421), (3609, 7917), (5213, 5481)]