395172021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 573585408

約数和(自身を除く): 178413387

約数列:

[1, 3, 17, 43, 51, 129, 367, 491, 731, 1101, 1473, 2193, 6239, 8347, 15781, 18717, 21113, 25041, 47343, 63339, 180197, 268277, 358921, 540591, 804831, 1076763, 3063349, 7748471, 9190047, 23245413, 131724007, 395172021]

約数ペア:

[(1, 395172021), (3, 131724007), (17, 23245413), (43, 9190047), (51, 7748471), (129, 3063349), (367, 1076763), (491, 804831), (731, 540591), (1101, 358921), (1473, 268277), (2193, 180197), (6239, 63339), (8347, 47343), (15781, 25041), (18717, 21113)]