219903057

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 362618880

約数和(自身を除く): 142715823

約数列:

[1, 3, 9, 11, 31, 33, 79, 93, 99, 237, 279, 341, 711, 869, 907, 1023, 2449, 2607, 2721, 3069, 7347, 7821, 8163, 9977, 22041, 26939, 28117, 29931, 71653, 80817, 84351, 89793, 214959, 242451, 253053, 309287, 644877, 788183, 927861, 2221243, 2364549, 2783583, 6663729, 7093647, 19991187, 24433673, 73301019, 219903057]

約数ペア:

[(1, 219903057), (3, 73301019), (9, 24433673), (11, 19991187), (31, 7093647), (33, 6663729), (79, 2783583), (93, 2364549), (99, 2221243), (237, 927861), (279, 788183), (341, 644877), (711, 309287), (869, 253053), (907, 242451), (1023, 214959), (2449, 89793), (2607, 84351), (2721, 80817), (3069, 71653), (7347, 29931), (7821, 28117), (8163, 26939), (9977, 22041)]