17949987

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 29130192

約数和(自身を除く): 11180205

約数列:

[1, 3, 9, 11, 33, 53, 99, 121, 159, 311, 363, 477, 583, 933, 1089, 1749, 2799, 3421, 5247, 6413, 10263, 16483, 19239, 30789, 37631, 49449, 57717, 112893, 148347, 181313, 338679, 543939, 1631817, 1994443, 5983329, 17949987]

約数ペア:

[(1, 17949987), (3, 5983329), (9, 1994443), (11, 1631817), (33, 543939), (53, 338679), (99, 181313), (121, 148347), (159, 112893), (311, 57717), (363, 49449), (477, 37631), (583, 30789), (933, 19239), (1089, 16483), (1749, 10263), (2799, 6413), (3421, 5247)]