509938401

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2693}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 794492928

約数和(自身を除く): 284554527

約数列:

[1, 3, 7, 21, 71, 127, 213, 381, 497, 889, 1491, 2667, 2693, 8079, 9017, 18851, 27051, 56553, 63119, 189357, 191203, 342011, 573609, 1026033, 1338421, 2394077, 4015263, 7182231, 24282781, 72848343, 169979467, 509938401]

約数ペア:

[(1, 509938401), (3, 169979467), (7, 72848343), (21, 24282781), (71, 7182231), (127, 4015263), (213, 2394077), (381, 1338421), (497, 1026033), (889, 573609), (1491, 342011), (2667, 191203), (2693, 189357), (8079, 63119), (9017, 56553), (18851, 27051)]