231567987

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1\times {\mathrm{659}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 366220800

約数和(自身を除く): 134652813

約数列:

[1, 3, 7, 21, 29, 87, 203, 577, 609, 659, 1731, 1977, 4039, 4613, 12117, 13839, 16733, 19111, 50199, 57333, 117131, 133777, 351393, 380243, 401331, 1140729, 2661701, 7985103, 11027047, 33081141, 77189329, 231567987]

約数ペア:

[(1, 231567987), (3, 77189329), (7, 33081141), (21, 11027047), (29, 7985103), (87, 2661701), (203, 1140729), (577, 401331), (609, 380243), (659, 351393), (1731, 133777), (1977, 117131), (4039, 57333), (4613, 50199), (12117, 19111), (13839, 16733)]