207904077

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 321019776

約数和(自身を除く): 113115699

約数列:

[1, 3, 9, 27, 47, 81, 97, 141, 291, 423, 563, 873, 1269, 1689, 2619, 3807, 4559, 5067, 7857, 13677, 15201, 26461, 41031, 45603, 54611, 79383, 123093, 163833, 238149, 369279, 491499, 714447, 1474497, 2143341, 2566717, 4423491, 7700151, 23100453, 69301359, 207904077]

約数ペア:

[(1, 207904077), (3, 69301359), (9, 23100453), (27, 7700151), (47, 4423491), (81, 2566717), (97, 2143341), (141, 1474497), (291, 714447), (423, 491499), (563, 369279), (873, 238149), (1269, 163833), (1689, 123093), (2619, 79383), (3807, 54611), (4559, 45603), (5067, 41031), (7857, 26461), (13677, 15201)]