71912253

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1949}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 112039200

約数和(自身を除く): 40126947

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1757, 1949, 5271, 5847, 12299, 13643, 36897, 40929, 95501, 286503, 489199, 1467597, 3424393, 10273179, 23970751, 71912253]

約数ペア:

[(1, 71912253), (3, 23970751), (7, 10273179), (21, 3424393), (49, 1467597), (147, 489199), (251, 286503), (753, 95501), (1757, 40929), (1949, 36897), (5271, 13643), (5847, 12299)]