38902227

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20387

約数の個数: 24

約数和(自身を含む): 64982736

約数和(自身を除く): 26080509

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20357, 61071, 142499, 264641, 427497, 793923, 997493, 1852487, 2992479, 5557461, 12967409, 38902227]

約数ペア:

[(1, 38902227), (3, 12967409), (7, 5557461), (13, 2992479), (21, 1852487), (39, 997493), (49, 793923), (91, 427497), (147, 264641), (273, 142499), (637, 61071), (1911, 20357)]