18040725

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 34209120

約数和(自身を除く): 16168395

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 81, 135, 151, 177, 225, 295, 405, 453, 531, 675, 755, 885, 1359, 1475, 1593, 2025, 2265, 2655, 3775, 4077, 4425, 4779, 6795, 7965, 8909, 11325, 12231, 13275, 20385, 23895, 26727, 33975, 39825, 44545, 61155, 80181, 101925, 119475, 133635, 222725, 240543, 305775, 400905, 668175, 721629, 1202715, 2004525, 3608145, 6013575, 18040725]

約数ペア:

[(1, 18040725), (3, 6013575), (5, 3608145), (9, 2004525), (15, 1202715), (25, 721629), (27, 668175), (45, 400905), (59, 305775), (75, 240543), (81, 222725), (135, 133635), (151, 119475), (177, 101925), (225, 80181), (295, 61155), (405, 44545), (453, 39825), (531, 33975), (675, 26727), (755, 23895), (885, 20385), (1359, 13275), (1475, 12231), (1593, 11325), (2025, 8909), (2265, 7965), (2655, 6795), (3775, 4779), (4077, 4425)]