217195965

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{229837}}^1$

素因数の和:229858

約数の個数: 32

約数和(自身を含む): 441288960

約数和(自身を除く): 224092995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 229837, 689511, 1149185, 1608859, 2068533, 3447555, 4826577, 6205599, 8044295, 10342665, 14479731, 24132885, 31027995, 43439193, 72398655, 217195965]

約数ペア:

[(1, 217195965), (3, 72398655), (5, 43439193), (7, 31027995), (9, 24132885), (15, 14479731), (21, 10342665), (27, 8044295), (35, 6205599), (45, 4826577), (63, 3447555), (105, 2068533), (135, 1608859), (189, 1149185), (315, 689511), (945, 229837)]