31287222

素因数分解:

$2^1\times 3^7\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 73681920

約数和(自身を除く): 42394698

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 311, 414, 486, 621, 622, 729, 933, 1242, 1458, 1863, 1866, 2187, 2799, 3726, 4374, 5589, 5598, 7153, 8397, 11178, 14306, 16767, 16794, 21459, 25191, 33534, 42918, 50301, 50382, 64377, 75573, 100602, 128754, 151146, 193131, 226719, 386262, 453438, 579393, 680157, 1158786, 1360314, 1738179, 3476358, 5214537, 10429074, 15643611, 31287222]

約数ペア:

[(1, 31287222), (2, 15643611), (3, 10429074), (6, 5214537), (9, 3476358), (18, 1738179), (23, 1360314), (27, 1158786), (46, 680157), (54, 579393), (69, 453438), (81, 386262), (138, 226719), (162, 193131), (207, 151146), (243, 128754), (311, 100602), (414, 75573), (486, 64377), (621, 50382), (622, 50301), (729, 42918), (933, 33534), (1242, 25191), (1458, 21459), (1863, 16794), (1866, 16767), (2187, 14306), (2799, 11178), (3726, 8397), (4374, 7153), (5589, 5598)]