2164995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 4608000

約数和(自身を除く): 2443005

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 79, 87, 105, 135, 145, 189, 203, 237, 261, 315, 395, 435, 553, 609, 711, 783, 945, 1015, 1185, 1305, 1659, 1827, 2133, 2291, 2765, 3045, 3555, 3915, 4977, 5481, 6873, 8295, 9135, 10665, 11455, 14931, 16037, 20619, 24885, 27405, 34365, 48111, 61857, 74655, 80185, 103095, 144333, 240555, 309285, 432999, 721665, 2164995]

約数ペア:

[(1, 2164995), (3, 721665), (5, 432999), (7, 309285), (9, 240555), (15, 144333), (21, 103095), (27, 80185), (29, 74655), (35, 61857), (45, 48111), (63, 34365), (79, 27405), (87, 24885), (105, 20619), (135, 16037), (145, 14931), (189, 11455), (203, 10665), (237, 9135), (261, 8295), (315, 6873), (395, 5481), (435, 4977), (553, 3915), (609, 3555), (711, 3045), (783, 2765), (945, 2291), (1015, 2133), (1185, 1827), (1305, 1659)]