1966155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1420725

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 139, 205, 345, 417, 615, 695, 943, 2085, 2829, 3197, 4715, 5699, 9591, 14145, 15985, 17097, 28495, 47955, 85485, 131077, 393231, 655385, 1966155]

約数ペア:

[(1, 1966155), (3, 655385), (5, 393231), (15, 131077), (23, 85485), (41, 47955), (69, 28495), (115, 17097), (123, 15985), (139, 14145), (205, 9591), (345, 5699), (417, 4715), (615, 3197), (695, 2829), (943, 2085)]