128906307

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 189571200

約数和(自身を除く): 60664893

約数列:

[1, 3, 9, 97, 149, 291, 447, 873, 991, 1341, 2973, 8919, 14453, 43359, 96127, 130077, 147659, 288381, 442977, 865143, 1328931, 14322923, 42968769, 128906307]

約数ペア:

[(1, 128906307), (3, 42968769), (9, 14322923), (97, 1328931), (149, 865143), (291, 442977), (447, 288381), (873, 147659), (991, 130077), (1341, 96127), (2973, 43359), (8919, 14453)]