121455985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 180741888

約数和(自身を除く): 59285903

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 157, 161, 217, 713, 785, 805, 961, 1085, 1099, 3565, 3611, 4805, 4867, 4991, 5495, 6727, 18055, 22103, 24335, 24955, 25277, 33635, 34069, 110515, 111941, 126385, 150877, 154721, 170345, 559705, 754385, 773605, 783587, 1056139, 3470171, 3917935, 5280695, 17350855, 24291197, 121455985]

約数ペア:

[(1, 121455985), (5, 24291197), (7, 17350855), (23, 5280695), (31, 3917935), (35, 3470171), (115, 1056139), (155, 783587), (157, 773605), (161, 754385), (217, 559705), (713, 170345), (785, 154721), (805, 150877), (961, 126385), (1085, 111941), (1099, 110515), (3565, 34069), (3611, 33635), (4805, 25277), (4867, 24955), (4991, 24335), (5495, 22103), (6727, 18055)]