31897965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 56278656

約数和(自身を除く): 24380691

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1455, 1993, 3201, 5335, 5979, 9965, 16005, 21923, 29895, 65769, 109615, 193321, 328845, 579963, 966605, 2126531, 2899815, 6379593, 10632655, 31897965]

約数ペア:

[(1, 31897965), (3, 10632655), (5, 6379593), (11, 2899815), (15, 2126531), (33, 966605), (55, 579963), (97, 328845), (165, 193321), (291, 109615), (485, 65769), (1067, 29895), (1455, 21923), (1993, 16005), (3201, 9965), (5335, 5979)]