71995221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 45940779

約数列:

[1, 3, 9, 17, 23, 41, 51, 69, 123, 153, 207, 369, 391, 499, 697, 943, 1173, 1497, 2091, 2829, 3519, 4491, 6273, 8483, 8487, 11477, 16031, 20459, 25449, 34431, 48093, 61377, 76347, 103293, 144279, 184131, 195109, 347803, 470557, 585327, 1043409, 1411671, 1755981, 3130227, 4235013, 7999469, 23998407, 71995221]

約数ペア:

[(1, 71995221), (3, 23998407), (9, 7999469), (17, 4235013), (23, 3130227), (41, 1755981), (51, 1411671), (69, 1043409), (123, 585327), (153, 470557), (207, 347803), (369, 195109), (391, 184131), (499, 144279), (697, 103293), (943, 76347), (1173, 61377), (1497, 48093), (2091, 34431), (2829, 25449), (3519, 20459), (4491, 16031), (6273, 11477), (8483, 8487)]