66521973

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{11273}}^1$

素因数の和:11564

約数の個数: 16

約数和(自身を含む): 101736576

約数和(自身を除く): 35214603

約数列:

[1, 3, 7, 21, 281, 843, 1967, 5901, 11273, 33819, 78911, 236733, 3167713, 9503139, 22173991, 66521973]

約数ペア:

[(1, 66521973), (3, 22173991), (7, 9503139), (21, 3167713), (281, 236733), (843, 78911), (1967, 33819), (5901, 11273)]