201557517

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1787}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 317205504

約数和(自身を除く): 115647987

約数列:

[1, 3, 7, 21, 41, 123, 131, 287, 393, 861, 917, 1787, 2751, 5361, 5371, 12509, 16113, 37527, 37597, 73267, 112791, 219801, 234097, 512869, 702291, 1538607, 1638679, 4916037, 9597977, 28793931, 67185839, 201557517]

約数ペア:

[(1, 201557517), (3, 67185839), (7, 28793931), (21, 9597977), (41, 4916037), (123, 1638679), (131, 1538607), (287, 702291), (393, 512869), (861, 234097), (917, 219801), (1787, 112791), (2751, 73267), (5361, 37597), (5371, 37527), (12509, 16113)]