71816415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{25603}}^1$

素因数の和:25639

約数の個数: 32

約数和(自身を含む): 132731136

約数和(自身を除く): 60914721

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 25603, 76809, 128015, 281633, 384045, 435251, 844899, 1305753, 1408165, 2176255, 4224495, 4787761, 6528765, 14363283, 23938805, 71816415]

約数ペア:

[(1, 71816415), (3, 23938805), (5, 14363283), (11, 6528765), (15, 4787761), (17, 4224495), (33, 2176255), (51, 1408165), (55, 1305753), (85, 844899), (165, 435251), (187, 384045), (255, 281633), (561, 128015), (935, 76809), (2805, 25603)]