19704141

素因数分解:

$3^6\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 28

約数和(自身を含む): 29904480

約数和(自身を除く): 10200339

約数列:

[1, 3, 9, 27, 81, 151, 179, 243, 453, 537, 729, 1359, 1611, 4077, 4833, 12231, 14499, 27029, 36693, 43497, 81087, 110079, 130491, 243261, 729783, 2189349, 6568047, 19704141]

約数ペア:

[(1, 19704141), (3, 6568047), (9, 2189349), (27, 729783), (81, 243261), (151, 130491), (179, 110079), (243, 81087), (453, 43497), (537, 36693), (729, 27029), (1359, 14499), (1611, 12231), (4077, 4833)]