51428307

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 83883520

約数和(自身を除く): 32455213

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 2113, 3477, 6339, 8113, 14791, 24339, 40147, 44373, 120441, 128893, 281029, 386679, 843087, 902251, 2448967, 2706753, 7346901, 17142769, 51428307]

約数ペア:

[(1, 51428307), (3, 17142769), (7, 7346901), (19, 2706753), (21, 2448967), (57, 902251), (61, 843087), (133, 386679), (183, 281029), (399, 128893), (427, 120441), (1159, 44373), (1281, 40147), (2113, 24339), (3477, 14791), (6339, 8113)]