38784447

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 63221760

約数和(自身を除く): 24437313

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 2351, 5499, 7053, 16497, 21159, 30563, 63477, 91689, 110497, 275067, 331491, 825201, 994473, 1436461, 2983419, 4309383, 12928149, 38784447]

約数ペア:

[(1, 38784447), (3, 12928149), (9, 4309383), (13, 2983419), (27, 1436461), (39, 994473), (47, 825201), (117, 331491), (141, 275067), (351, 110497), (423, 91689), (611, 63477), (1269, 30563), (1833, 21159), (2351, 16497), (5499, 7053)]