15692271

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 25589760

約数和(自身を除く): 9897489

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 587, 1273, 1407, 1761, 3819, 4109, 8911, 11153, 12327, 26733, 33459, 39329, 78071, 117987, 234213, 275303, 747251, 825909, 2241753, 5230757, 15692271]

約数ペア:

[(1, 15692271), (3, 5230757), (7, 2241753), (19, 825909), (21, 747251), (57, 275303), (67, 234213), (133, 117987), (201, 78071), (399, 39329), (469, 33459), (587, 26733), (1273, 12327), (1407, 11153), (1761, 8911), (3819, 4109)]