77909235

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 128792640

約数和(自身を除く): 50883405

約数列:

[1, 3, 5, 15, 37, 111, 185, 229, 555, 613, 687, 1145, 1839, 3065, 3435, 8473, 9195, 22681, 25419, 42365, 68043, 113405, 127095, 140377, 340215, 421131, 701885, 2105655, 5193949, 15581847, 25969745, 77909235]

約数ペア:

[(1, 77909235), (3, 25969745), (5, 15581847), (15, 5193949), (37, 2105655), (111, 701885), (185, 421131), (229, 340215), (555, 140377), (613, 127095), (687, 113405), (1145, 68043), (1839, 42365), (3065, 25419), (3435, 22681), (8473, 9195)]