206515617

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 364707840

約数和(自身を除く): 158192223

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 211, 223, 231, 399, 627, 633, 669, 1463, 1477, 1561, 2321, 2453, 4009, 4237, 4389, 4431, 4683, 6963, 7359, 12027, 12711, 16247, 17171, 28063, 29659, 44099, 46607, 47053, 48741, 51513, 84189, 88977, 132297, 139821, 141159, 308693, 326249, 329371, 517583, 894007, 926079, 978747, 988113, 1552749, 2682021, 3623081, 6258049, 9834077, 10869243, 18774147, 29502231, 68838539, 206515617]

約数ペア:

[(1, 206515617), (3, 68838539), (7, 29502231), (11, 18774147), (19, 10869243), (21, 9834077), (33, 6258049), (57, 3623081), (77, 2682021), (133, 1552749), (209, 988113), (211, 978747), (223, 926079), (231, 894007), (399, 517583), (627, 329371), (633, 326249), (669, 308693), (1463, 141159), (1477, 139821), (1561, 132297), (2321, 88977), (2453, 84189), (4009, 51513), (4237, 48741), (4389, 47053), (4431, 46607), (4683, 44099), (6963, 29659), (7359, 28063), (12027, 17171), (12711, 16247)]