81127515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1483}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 148732416

約数和(自身を除く): 67604901

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 521, 1483, 1563, 2605, 3647, 4449, 7415, 7815, 10381, 10941, 18235, 22245, 31143, 51905, 54705, 155715, 772643, 2317929, 3863215, 5408501, 11589645, 16225503, 27042505, 81127515]

約数ペア:

[(1, 81127515), (3, 27042505), (5, 16225503), (7, 11589645), (15, 5408501), (21, 3863215), (35, 2317929), (105, 772643), (521, 155715), (1483, 54705), (1563, 51905), (2605, 31143), (3647, 22245), (4449, 18235), (7415, 10941), (7815, 10381)]