210917955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{23873}}^1$

素因数の和:23931

約数の個数: 32

約数和(自身を含む): 366704640

約数和(自身を除く): 155786685

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 23873, 71619, 119365, 358095, 453587, 740063, 1360761, 2220189, 2267935, 3700315, 6803805, 11100945, 14061197, 42183591, 70305985, 210917955]

約数ペア:

[(1, 210917955), (3, 70305985), (5, 42183591), (15, 14061197), (19, 11100945), (31, 6803805), (57, 3700315), (93, 2267935), (95, 2220189), (155, 1360761), (285, 740063), (465, 453587), (589, 358095), (1767, 119365), (2945, 71619), (8835, 23873)]