227150231

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 306125568

約数和(自身を除く): 78975337

約数列:

[1, 7, 11, 23, 49, 73, 77, 161, 251, 253, 511, 539, 803, 1127, 1679, 1757, 1771, 2761, 3577, 5621, 5773, 11753, 12299, 12397, 18323, 18469, 19327, 39347, 40411, 63503, 82271, 128261, 129283, 135289, 201553, 282877, 421429, 444521, 897827, 904981, 1410871, 2950003, 3111647, 4635719, 9876097, 20650021, 32450033, 227150231]

約数ペア:

[(1, 227150231), (7, 32450033), (11, 20650021), (23, 9876097), (49, 4635719), (73, 3111647), (77, 2950003), (161, 1410871), (251, 904981), (253, 897827), (511, 444521), (539, 421429), (803, 282877), (1127, 201553), (1679, 135289), (1757, 129283), (1771, 128261), (2761, 82271), (3577, 63503), (5621, 40411), (5773, 39347), (11753, 19327), (12299, 18469), (12397, 18323)]