215500878

素因数分解:

$2^1\times 3^3\times {\mathrm{991}}^1\times {\mathrm{4027}}^1$

素因数の和:5029

約数の個数: 32

約数和(自身を含む): 479493120

約数和(自身を除く): 263992242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 991, 1982, 2973, 4027, 5946, 8054, 8919, 12081, 17838, 24162, 26757, 36243, 53514, 72486, 108729, 217458, 3990757, 7981514, 11972271, 23944542, 35916813, 71833626, 107750439, 215500878]

約数ペア:

[(1, 215500878), (2, 107750439), (3, 71833626), (6, 35916813), (9, 23944542), (18, 11972271), (27, 7981514), (54, 3990757), (991, 217458), (1982, 108729), (2973, 72486), (4027, 53514), (5946, 36243), (8054, 26757), (8919, 24162), (12081, 17838)]