13204791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 21565440

約数和(自身を除く): 8360649

約数列:

[1, 3, 9, 19, 31, 47, 53, 57, 93, 141, 159, 171, 279, 423, 477, 589, 893, 1007, 1457, 1643, 1767, 2491, 2679, 3021, 4371, 4929, 5301, 7473, 8037, 9063, 13113, 14787, 22419, 27683, 31217, 47329, 77221, 83049, 93651, 141987, 231663, 249147, 280953, 425961, 694989, 1467199, 4401597, 13204791]

約数ペア:

[(1, 13204791), (3, 4401597), (9, 1467199), (19, 694989), (31, 425961), (47, 280953), (53, 249147), (57, 231663), (93, 141987), (141, 93651), (159, 83049), (171, 77221), (279, 47329), (423, 31217), (477, 27683), (589, 22419), (893, 14787), (1007, 13113), (1457, 9063), (1643, 8037), (1767, 7473), (2491, 5301), (2679, 4929), (3021, 4371)]