1213491279

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{823}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 2179473408

約数和(自身を除く): 965982129

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 491, 823, 1001, 1473, 2469, 3003, 3437, 5401, 5761, 6383, 9053, 10311, 10699, 16203, 17283, 19149, 27159, 32097, 37807, 44681, 63371, 70213, 74893, 113421, 117689, 134043, 190113, 210639, 224679, 353067, 404093, 491491, 823823, 1212279, 1474473, 2471469, 2828651, 4445023, 5253209, 8485953, 13335069, 15759627, 31115161, 36772463, 57785299, 93345483, 110317389, 173355897, 404497093, 1213491279]

約数ペア:

[(1, 1213491279), (3, 404497093), (7, 173355897), (11, 110317389), (13, 93345483), (21, 57785299), (33, 36772463), (39, 31115161), (77, 15759627), (91, 13335069), (143, 8485953), (231, 5253209), (273, 4445023), (429, 2828651), (491, 2471469), (823, 1474473), (1001, 1212279), (1473, 823823), (2469, 491491), (3003, 404093), (3437, 353067), (5401, 224679), (5761, 210639), (6383, 190113), (9053, 134043), (10311, 117689), (10699, 113421), (16203, 74893), (17283, 70213), (19149, 63371), (27159, 44681), (32097, 37807)]