201216381

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{13781}}^1$

素因数の和:13972

約数の個数: 16

約数和(自身を含む): 278727168

約数和(自身を除く): 77510787

約数列:

[1, 3, 31, 93, 157, 471, 4867, 13781, 14601, 41343, 427211, 1281633, 2163617, 6490851, 67072127, 201216381]

約数ペア:

[(1, 201216381), (3, 67072127), (31, 6490851), (93, 2163617), (157, 1281633), (471, 427211), (4867, 41343), (13781, 14601)]