205605795

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 357580800

約数和(自身を除く): 151975005

約数列:

[1, 3, 5, 15, 29, 31, 79, 87, 93, 145, 155, 193, 237, 395, 435, 465, 579, 899, 965, 1185, 2291, 2449, 2697, 2895, 4495, 5597, 5983, 6873, 7347, 11455, 12245, 13485, 15247, 16791, 17949, 27985, 29915, 34365, 36735, 45741, 71021, 76235, 83955, 89745, 173507, 213063, 228705, 355105, 442163, 472657, 520521, 867535, 1065315, 1326489, 1417971, 2210815, 2363285, 2602605, 6632445, 7089855, 13707053, 41121159, 68535265, 205605795]

約数ペア:

[(1, 205605795), (3, 68535265), (5, 41121159), (15, 13707053), (29, 7089855), (31, 6632445), (79, 2602605), (87, 2363285), (93, 2210815), (145, 1417971), (155, 1326489), (193, 1065315), (237, 867535), (395, 520521), (435, 472657), (465, 442163), (579, 355105), (899, 228705), (965, 213063), (1185, 173507), (2291, 89745), (2449, 83955), (2697, 76235), (2895, 71021), (4495, 45741), (5597, 36735), (5983, 34365), (6873, 29915), (7347, 27985), (11455, 17949), (12245, 16791), (13485, 15247)]