303989091

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 502723584

約数和(自身を除く): 198734493

約数列:

[1, 3, 7, 21, 23, 47, 49, 69, 141, 147, 161, 329, 483, 987, 1081, 1127, 1913, 2303, 3243, 3381, 5739, 6909, 7567, 13391, 22701, 40173, 43999, 52969, 89911, 93737, 131997, 158907, 269733, 281211, 307993, 629377, 923979, 1888131, 2067953, 2155951, 4405639, 6203859, 6467853, 13216917, 14475671, 43427013, 101329697, 303989091]

約数ペア:

[(1, 303989091), (3, 101329697), (7, 43427013), (21, 14475671), (23, 13216917), (47, 6467853), (49, 6203859), (69, 4405639), (141, 2155951), (147, 2067953), (161, 1888131), (329, 923979), (483, 629377), (987, 307993), (1081, 281211), (1127, 269733), (1913, 158907), (2303, 131997), (3243, 93737), (3381, 89911), (5739, 52969), (6909, 43999), (7567, 40173), (13391, 22701)]