17921043

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 32460480

約数和(自身を除く): 14539437

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 577, 609, 1071, 1479, 1731, 1827, 3451, 4039, 4437, 5193, 9809, 10353, 12117, 16733, 29427, 31059, 36351, 50199, 68663, 88281, 117131, 150597, 205989, 284461, 351393, 617967, 853383, 1054179, 1991227, 2560149, 5973681, 17921043]

約数ペア:

[(1, 17921043), (3, 5973681), (7, 2560149), (9, 1991227), (17, 1054179), (21, 853383), (29, 617967), (51, 351393), (63, 284461), (87, 205989), (119, 150597), (153, 117131), (203, 88281), (261, 68663), (357, 50199), (493, 36351), (577, 31059), (609, 29427), (1071, 16733), (1479, 12117), (1731, 10353), (1827, 9809), (3451, 5193), (4039, 4437)]