3900380547

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 6123775392

約数和(自身を除く): 2223394845

約数列:

[1, 3, 7, 21, 49, 137, 147, 293, 411, 661, 879, 959, 1983, 2051, 2877, 4627, 6153, 6713, 13881, 14357, 20139, 32389, 40141, 43071, 90557, 97167, 120423, 193673, 271671, 280987, 581019, 633899, 842961, 1355711, 1901697, 1966909, 4067133, 4437293, 5900727, 9489977, 13311879, 26533201, 28469931, 79599603, 185732407, 557197221, 1300126849, 3900380547]

約数ペア:

[(1, 3900380547), (3, 1300126849), (7, 557197221), (21, 185732407), (49, 79599603), (137, 28469931), (147, 26533201), (293, 13311879), (411, 9489977), (661, 5900727), (879, 4437293), (959, 4067133), (1983, 1966909), (2051, 1901697), (2877, 1355711), (4627, 842961), (6153, 633899), (6713, 581019), (13881, 280987), (14357, 271671), (20139, 193673), (32389, 120423), (40141, 97167), (43071, 90557)]