15691071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 23901696

約数和(自身を除く): 8210625

約数列:

[1, 3, 11, 33, 37, 71, 111, 181, 213, 407, 543, 781, 1221, 1991, 2343, 2627, 5973, 6697, 7881, 12851, 20091, 28897, 38553, 73667, 86691, 141361, 221001, 424083, 475487, 1426461, 5230357, 15691071]

約数ペア:

[(1, 15691071), (3, 5230357), (11, 1426461), (33, 475487), (37, 424083), (71, 221001), (111, 141361), (181, 86691), (213, 73667), (407, 38553), (543, 28897), (781, 20091), (1221, 12851), (1991, 7881), (2343, 6697), (2627, 5973)]