30831339

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 54501120

約数和(自身を除く): 23669781

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 759, 829, 1127, 1617, 1771, 2487, 3381, 5313, 5803, 9119, 12397, 17409, 19067, 27357, 37191, 40621, 57201, 63833, 121863, 133469, 191499, 209737, 400407, 446831, 629211, 934283, 1340493, 1468159, 2802849, 4404477, 10277113, 30831339]

約数ペア:

[(1, 30831339), (3, 10277113), (7, 4404477), (11, 2802849), (21, 1468159), (23, 1340493), (33, 934283), (49, 629211), (69, 446831), (77, 400407), (147, 209737), (161, 191499), (231, 133469), (253, 121863), (483, 63833), (539, 57201), (759, 40621), (829, 37191), (1127, 27357), (1617, 19067), (1771, 17409), (2487, 12397), (3381, 9119), (5313, 5803)]