81879963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 125141760

約数和(自身を除く): 43261797

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 319, 737, 957, 1277, 1943, 2211, 3831, 5829, 14047, 21373, 37033, 42141, 64119, 85559, 111099, 256677, 407363, 941149, 1222089, 2481211, 2823447, 7443633, 27293321, 81879963]

約数ペア:

[(1, 81879963), (3, 27293321), (11, 7443633), (29, 2823447), (33, 2481211), (67, 1222089), (87, 941149), (201, 407363), (319, 256677), (737, 111099), (957, 85559), (1277, 64119), (1943, 42141), (2211, 37033), (3831, 21373), (5829, 14047)]