189403785

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 352512000

約数和(自身を除く): 163108215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 101, 135, 145, 261, 303, 435, 479, 505, 783, 909, 1305, 1437, 1515, 2395, 2727, 2929, 3915, 4311, 4545, 7185, 8787, 12933, 13635, 13891, 14645, 21555, 26361, 41673, 43935, 48379, 64665, 69455, 79083, 125019, 131805, 145137, 208365, 241895, 375057, 395415, 435411, 625095, 725685, 1306233, 1402991, 1875285, 2177055, 4208973, 6531165, 7014955, 12626919, 21044865, 37880757, 63134595, 189403785]

約数ペア:

[(1, 189403785), (3, 63134595), (5, 37880757), (9, 21044865), (15, 12626919), (27, 7014955), (29, 6531165), (45, 4208973), (87, 2177055), (101, 1875285), (135, 1402991), (145, 1306233), (261, 725685), (303, 625095), (435, 435411), (479, 395415), (505, 375057), (783, 241895), (909, 208365), (1305, 145137), (1437, 131805), (1515, 125019), (2395, 79083), (2727, 69455), (2929, 64665), (3915, 48379), (4311, 43935), (4545, 41673), (7185, 26361), (8787, 21555), (12933, 14645), (13635, 13891)]