51866409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 84597760

約数和(自身を除く): 32731351

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 2131, 3477, 6393, 8113, 14917, 24339, 40489, 44751, 121467, 129991, 283423, 389973, 850269, 909937, 2469829, 2729811, 7409487, 17288803, 51866409]

約数ペア:

[(1, 51866409), (3, 17288803), (7, 7409487), (19, 2729811), (21, 2469829), (57, 909937), (61, 850269), (133, 389973), (183, 283423), (399, 129991), (427, 121467), (1159, 44751), (1281, 40489), (2131, 24339), (3477, 14917), (6393, 8113)]