1201905

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 2217600

約数和(自身を除く): 1015695

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 307, 435, 783, 921, 1305, 1535, 2763, 3915, 4605, 8289, 8903, 13815, 26709, 41445, 44515, 80127, 133545, 240381, 400635, 1201905]

約数ペア:

[(1, 1201905), (3, 400635), (5, 240381), (9, 133545), (15, 80127), (27, 44515), (29, 41445), (45, 26709), (87, 13815), (135, 8903), (145, 8289), (261, 4605), (307, 3915), (435, 2763), (783, 1535), (921, 1305)]