11981872197

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 17966108160

約数和(自身を除く): 5984235963

約数列:

[1, 3, 9, 47, 109, 141, 151, 327, 423, 453, 981, 1359, 1721, 5123, 5163, 7097, 15369, 15489, 16459, 21291, 46107, 49377, 63873, 80887, 148131, 187589, 242661, 259871, 562767, 727983, 773573, 779613, 1688301, 2320719, 2338839, 6962157, 8816683, 12213937, 26450049, 28325939, 36641811, 79350147, 84977817, 109925433, 254933451, 1331319133, 3993957399, 11981872197]

約数ペア:

[(1, 11981872197), (3, 3993957399), (9, 1331319133), (47, 254933451), (109, 109925433), (141, 84977817), (151, 79350147), (327, 36641811), (423, 28325939), (453, 26450049), (981, 12213937), (1359, 8816683), (1721, 6962157), (5123, 2338839), (5163, 2320719), (7097, 1688301), (15369, 779613), (15489, 773573), (16459, 727983), (21291, 562767), (46107, 259871), (49377, 242661), (63873, 187589), (80887, 148131)]