39397515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 68251680

約数和(自身を除く): 28854165

約数列:

[1, 3, 5, 15, 29, 41, 47, 87, 123, 141, 145, 205, 235, 435, 615, 705, 1189, 1363, 1927, 2209, 3567, 4089, 5781, 5945, 6627, 6815, 9635, 11045, 17835, 20445, 28905, 33135, 55883, 64061, 90569, 167649, 192183, 271707, 279415, 320305, 452845, 838245, 960915, 1358535, 2626501, 7879503, 13132505, 39397515]

約数ペア:

[(1, 39397515), (3, 13132505), (5, 7879503), (15, 2626501), (29, 1358535), (41, 960915), (47, 838245), (87, 452845), (123, 320305), (141, 279415), (145, 271707), (205, 192183), (235, 167649), (435, 90569), (615, 64061), (705, 55883), (1189, 33135), (1363, 28905), (1927, 20445), (2209, 17835), (3567, 11045), (4089, 9635), (5781, 6815), (5945, 6627)]