78169413

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 125890560

約数和(自身を除く): 47721147

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 1363, 2731, 4089, 8193, 9541, 19117, 28623, 57351, 79199, 128357, 237597, 385071, 554393, 898499, 1663179, 2695497, 3722353, 11167059, 26056471, 78169413]

約数ペア:

[(1, 78169413), (3, 26056471), (7, 11167059), (21, 3722353), (29, 2695497), (47, 1663179), (87, 898499), (141, 554393), (203, 385071), (329, 237597), (609, 128357), (987, 79199), (1363, 57351), (2731, 28623), (4089, 19117), (8193, 9541)]