206869131

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3573

約数の個数: 48

約数和(自身を含む): 366912000

約数和(自身を除く): 160042869

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1197, 2793, 3087, 3527, 6517, 8379, 10581, 19551, 24689, 31743, 58653, 67013, 74067, 172823, 201039, 222201, 469091, 518469, 603117, 1209761, 1407273, 1555407, 3283637, 3629283, 4221819, 9850911, 10887849, 22985459, 29552733, 68956377, 206869131]

約数ペア:

[(1, 206869131), (3, 68956377), (7, 29552733), (9, 22985459), (19, 10887849), (21, 9850911), (49, 4221819), (57, 3629283), (63, 3283637), (133, 1555407), (147, 1407273), (171, 1209761), (343, 603117), (399, 518469), (441, 469091), (931, 222201), (1029, 201039), (1197, 172823), (2793, 74067), (3087, 67013), (3527, 58653), (6517, 31743), (8379, 24689), (10581, 19551)]