155306723

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 189604800

約数和(自身を除く): 34298077

約数列:

[1, 11, 13, 37, 143, 149, 197, 407, 481, 1639, 1937, 2167, 2561, 5291, 5513, 7289, 21307, 28171, 29353, 60643, 71669, 80179, 94757, 322883, 381589, 788359, 1042327, 1086061, 4197479, 11946671, 14118793, 155306723]

約数ペア:

[(1, 155306723), (11, 14118793), (13, 11946671), (37, 4197479), (143, 1086061), (149, 1042327), (197, 788359), (407, 381589), (481, 322883), (1639, 94757), (1937, 80179), (2167, 71669), (2561, 60643), (5291, 29353), (5513, 28171), (7289, 21307)]