30787857

素因数分解:

$3^6\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:444

約数の個数: 28

約数和(自身を含む): 46627380

約数和(自身を除く): 15839523

約数列:

[1, 3, 9, 27, 81, 157, 243, 269, 471, 729, 807, 1413, 2421, 4239, 7263, 12717, 21789, 38151, 42233, 65367, 114453, 126699, 196101, 380097, 1140291, 3420873, 10262619, 30787857]

約数ペア:

[(1, 30787857), (3, 10262619), (9, 3420873), (27, 1140291), (81, 380097), (157, 196101), (243, 126699), (269, 114453), (471, 65367), (729, 42233), (807, 38151), (1413, 21789), (2421, 12717), (4239, 7263)]