28726132281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97687}}^1$

素因数の和:97794

約数の個数: 64

約数和(自身を含む): 51016581120

約数和(自身を除く): 22290448839

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 67, 77, 133, 201, 209, 231, 399, 469, 627, 737, 1273, 1407, 1463, 2211, 3819, 4389, 5159, 8911, 14003, 15477, 26733, 42009, 97687, 98021, 293061, 294063, 683809, 1074557, 1856053, 2051427, 3223671, 5568159, 6545029, 7521899, 12992371, 19635087, 20416583, 22565697, 38977113, 45815203, 61249749, 71995319, 124355551, 137445609, 142916081, 215985957, 373066653, 428748243, 503967233, 870488857, 1367911061, 1511901699, 2611466571, 4103733183, 9575377427, 28726132281]

約数ペア:

[(1, 28726132281), (3, 9575377427), (7, 4103733183), (11, 2611466571), (19, 1511901699), (21, 1367911061), (33, 870488857), (57, 503967233), (67, 428748243), (77, 373066653), (133, 215985957), (201, 142916081), (209, 137445609), (231, 124355551), (399, 71995319), (469, 61249749), (627, 45815203), (737, 38977113), (1273, 22565697), (1407, 20416583), (1463, 19635087), (2211, 12992371), (3819, 7521899), (4389, 6545029), (5159, 5568159), (8911, 3223671), (14003, 2051427), (15477, 1856053), (26733, 1074557), (42009, 683809), (97687, 294063), (98021, 293061)]