17926785

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 34848000

約数和(自身を除く): 16921215

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 87, 95, 135, 145, 171, 241, 261, 285, 435, 513, 551, 723, 783, 855, 1205, 1305, 1653, 2169, 2565, 2755, 3615, 3915, 4579, 4959, 6507, 6989, 8265, 10845, 13737, 14877, 20967, 22895, 24795, 32535, 34945, 41211, 62901, 68685, 74385, 104835, 123633, 132791, 188703, 206055, 314505, 398373, 618165, 663955, 943515, 1195119, 1991865, 3585357, 5975595, 17926785]

約数ペア:

[(1, 17926785), (3, 5975595), (5, 3585357), (9, 1991865), (15, 1195119), (19, 943515), (27, 663955), (29, 618165), (45, 398373), (57, 314505), (87, 206055), (95, 188703), (135, 132791), (145, 123633), (171, 104835), (241, 74385), (261, 68685), (285, 62901), (435, 41211), (513, 34945), (551, 32535), (723, 24795), (783, 22895), (855, 20967), (1205, 14877), (1305, 13737), (1653, 10845), (2169, 8265), (2565, 6989), (2755, 6507), (3615, 4959), (3915, 4579)]