680959857

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 965099520

約数和(自身を除く): 284139663

約数列:

[1, 3, 31, 41, 93, 123, 271, 659, 813, 1271, 1977, 3813, 8401, 11111, 20429, 25203, 27019, 33333, 61287, 81057, 178589, 344441, 535767, 837589, 1033323, 2512767, 5536259, 7322149, 16608777, 21966447, 226986619, 680959857]

約数ペア:

[(1, 680959857), (3, 226986619), (31, 21966447), (41, 16608777), (93, 7322149), (123, 5536259), (271, 2512767), (659, 1033323), (813, 837589), (1271, 535767), (1977, 344441), (3813, 178589), (8401, 81057), (11111, 61287), (20429, 33333), (25203, 27019)]