201904815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 388546560

約数和(自身を除く): 186641745

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 105, 145, 183, 203, 305, 427, 435, 609, 915, 1015, 1087, 1281, 1769, 2135, 3045, 3261, 5307, 5435, 6405, 7609, 8845, 12383, 16305, 22827, 26535, 31523, 37149, 38045, 61915, 66307, 94569, 114135, 157615, 185745, 198921, 220661, 331535, 464149, 472845, 661983, 994605, 1103305, 1392447, 1922903, 2320745, 3309915, 5768709, 6962235, 9614515, 13460321, 28843545, 40380963, 67301605, 201904815]

約数ペア:

[(1, 201904815), (3, 67301605), (5, 40380963), (7, 28843545), (15, 13460321), (21, 9614515), (29, 6962235), (35, 5768709), (61, 3309915), (87, 2320745), (105, 1922903), (145, 1392447), (183, 1103305), (203, 994605), (305, 661983), (427, 472845), (435, 464149), (609, 331535), (915, 220661), (1015, 198921), (1087, 185745), (1281, 157615), (1769, 114135), (2135, 94569), (3045, 66307), (3261, 61915), (5307, 38045), (5435, 37149), (6405, 31523), (7609, 26535), (8845, 22827), (12383, 16305)]