72012171

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 120273408

約数和(自身を除く): 48261237

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 771, 1213, 1799, 2827, 3639, 5397, 8481, 8491, 13343, 19789, 25473, 40029, 59367, 93401, 280203, 311741, 935223, 2182187, 3429151, 6546561, 10287453, 24004057, 72012171]

約数ペア:

[(1, 72012171), (3, 24004057), (7, 10287453), (11, 6546561), (21, 3429151), (33, 2182187), (77, 935223), (231, 311741), (257, 280203), (771, 93401), (1213, 59367), (1799, 40029), (2827, 25473), (3639, 19789), (5397, 13343), (8481, 8491)]