28241505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 29041695

約数列:

[1, 3, 5, 9, 15, 17, 19, 29, 45, 51, 57, 67, 85, 87, 95, 145, 153, 171, 201, 255, 261, 285, 323, 335, 435, 493, 551, 603, 765, 855, 969, 1005, 1139, 1273, 1305, 1479, 1615, 1653, 1943, 2465, 2755, 2907, 3015, 3417, 3819, 4437, 4845, 4959, 5695, 5829, 6365, 7395, 8265, 9367, 9715, 10251, 11457, 14535, 17085, 17487, 19095, 21641, 22185, 24795, 28101, 29145, 33031, 36917, 46835, 51255, 57285, 64923, 84303, 87435, 99093, 108205, 110751, 140505, 165155, 184585, 194769, 297279, 324615, 332253, 421515, 495465, 553755, 627589, 973845, 1486395, 1661265, 1882767, 3137945, 5648301, 9413835, 28241505]

約数ペア:

[(1, 28241505), (3, 9413835), (5, 5648301), (9, 3137945), (15, 1882767), (17, 1661265), (19, 1486395), (29, 973845), (45, 627589), (51, 553755), (57, 495465), (67, 421515), (85, 332253), (87, 324615), (95, 297279), (145, 194769), (153, 184585), (171, 165155), (201, 140505), (255, 110751), (261, 108205), (285, 99093), (323, 87435), (335, 84303), (435, 64923), (493, 57285), (551, 51255), (603, 46835), (765, 36917), (855, 33031), (969, 29145), (1005, 28101), (1139, 24795), (1273, 22185), (1305, 21641), (1479, 19095), (1615, 17487), (1653, 17085), (1943, 14535), (2465, 11457), (2755, 10251), (2907, 9715), (3015, 9367), (3417, 8265), (3819, 7395), (4437, 6365), (4845, 5829), (4959, 5695)]