13138889421

素因数分解:

$3^1\times 7^1\times {\mathrm{2879}}^1\times {\mathrm{217319}}^1$

素因数の和:220208

約数の個数: 16

約数和(自身を含む): 20028211200

約数和(自身を除く): 6889321779

約数列:

[1, 3, 7, 21, 2879, 8637, 20153, 60459, 217319, 651957, 1521233, 4563699, 625661401, 1876984203, 4379629807, 13138889421]

約数ペア:

[(1, 13138889421), (3, 4379629807), (7, 1876984203), (21, 625661401), (2879, 4563699), (8637, 1521233), (20153, 651957), (60459, 217319)]