147721899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1493}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 220872960

約数和(自身を除く): 73151061

約数列:

[1, 3, 13, 39, 43, 59, 129, 177, 559, 767, 1493, 1677, 2301, 2537, 4479, 7611, 19409, 32981, 58227, 64199, 88087, 98943, 192597, 264261, 834587, 1145131, 2503761, 3435393, 3787741, 11363223, 49240633, 147721899]

約数ペア:

[(1, 147721899), (3, 49240633), (13, 11363223), (39, 3787741), (43, 3435393), (59, 2503761), (129, 1145131), (177, 834587), (559, 264261), (767, 192597), (1493, 98943), (1677, 88087), (2301, 64199), (2537, 58227), (4479, 32981), (7611, 19409)]