1387403787

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^3\times {\mathrm{1013}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 2375193600

約数和(自身を除く): 987789813

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 343, 363, 539, 847, 1013, 1029, 1331, 1617, 2541, 3039, 3773, 3993, 5929, 7091, 9317, 11143, 11319, 17787, 21273, 27951, 33429, 41503, 49637, 65219, 78001, 122573, 124509, 148911, 195657, 234003, 347459, 367719, 456533, 546007, 858011, 1042377, 1348303, 1369599, 1638021, 2574033, 3822049, 4044909, 6006077, 9438121, 11466147, 18018231, 28314363, 42042539, 66066847, 126127617, 198200541, 462467929, 1387403787]

約数ペア:

[(1, 1387403787), (3, 462467929), (7, 198200541), (11, 126127617), (21, 66066847), (33, 42042539), (49, 28314363), (77, 18018231), (121, 11466147), (147, 9438121), (231, 6006077), (343, 4044909), (363, 3822049), (539, 2574033), (847, 1638021), (1013, 1369599), (1029, 1348303), (1331, 1042377), (1617, 858011), (2541, 546007), (3039, 456533), (3773, 367719), (3993, 347459), (5929, 234003), (7091, 195657), (9317, 148911), (11143, 124509), (11319, 122573), (17787, 78001), (21273, 65219), (27951, 49637), (33429, 41503)]