1187664597

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20295

約数の個数: 48

約数和(自身を含む): 2106000000

約数和(自身を除く): 918335403

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1197, 2793, 3087, 6517, 8379, 19551, 20249, 58653, 60747, 141743, 182241, 384731, 425229, 992201, 1154193, 1275687, 2693117, 2976603, 3462579, 6945407, 8079351, 8929809, 18851819, 20836221, 24238053, 56555457, 62508663, 131962733, 169666371, 395888199, 1187664597]

約数ペア:

[(1, 1187664597), (3, 395888199), (7, 169666371), (9, 131962733), (19, 62508663), (21, 56555457), (49, 24238053), (57, 20836221), (63, 18851819), (133, 8929809), (147, 8079351), (171, 6945407), (343, 3462579), (399, 2976603), (441, 2693117), (931, 1275687), (1029, 1154193), (1197, 992201), (2793, 425229), (3087, 384731), (6517, 182241), (8379, 141743), (19551, 60747), (20249, 58653)]