68208165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 126180288

約数和(自身を除く): 57972123

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 163, 255, 489, 547, 765, 815, 1467, 1641, 2445, 2735, 2771, 4923, 7335, 8205, 8313, 9299, 13855, 24615, 24939, 27897, 41565, 46495, 83691, 89161, 124695, 139485, 267483, 418455, 445805, 802449, 1337415, 1515737, 4012245, 4547211, 7578685, 13641633, 22736055, 68208165]

約数ペア:

[(1, 68208165), (3, 22736055), (5, 13641633), (9, 7578685), (15, 4547211), (17, 4012245), (45, 1515737), (51, 1337415), (85, 802449), (153, 445805), (163, 418455), (255, 267483), (489, 139485), (547, 124695), (765, 89161), (815, 83691), (1467, 46495), (1641, 41565), (2445, 27897), (2735, 24939), (2771, 24615), (4923, 13855), (7335, 9299), (8205, 8313)]