668865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 1178496

約数和(自身を除く): 509631

約数列:

[1, 3, 5, 15, 17, 43, 51, 61, 85, 129, 183, 215, 255, 305, 645, 731, 915, 1037, 2193, 2623, 3111, 3655, 5185, 7869, 10965, 13115, 15555, 39345, 44591, 133773, 222955, 668865]

約数ペア:

[(1, 668865), (3, 222955), (5, 133773), (15, 44591), (17, 39345), (43, 15555), (51, 13115), (61, 10965), (85, 7869), (129, 5185), (183, 3655), (215, 3111), (255, 2623), (305, 2193), (645, 1037), (731, 915)]