81536637

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{42667}}^1$

素因数の和:42697

約数の個数: 24

約数和(自身を含む): 136196256

約数和(自身を除く): 54659619

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 42667, 128001, 298669, 554671, 896007, 1664013, 2090683, 3882697, 6272049, 11648091, 27178879, 81536637]

約数ペア:

[(1, 81536637), (3, 27178879), (7, 11648091), (13, 6272049), (21, 3882697), (39, 2090683), (49, 1664013), (91, 896007), (147, 554671), (273, 298669), (637, 128001), (1911, 42667)]