83747937

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 143990784

約数和(自身を除く): 60242847

約数列:

[1, 3, 7, 13, 21, 39, 47, 61, 91, 107, 141, 183, 273, 321, 329, 427, 611, 749, 793, 987, 1281, 1391, 1833, 2247, 2379, 2867, 4173, 4277, 5029, 5551, 6527, 8601, 9737, 12831, 15087, 16653, 19581, 20069, 29211, 35203, 37271, 45689, 60207, 65377, 84851, 105609, 111813, 137067, 196131, 254553, 260897, 306769, 457639, 593957, 782691, 920307, 1372917, 1781871, 2147383, 3987997, 6442149, 11963991, 27915979, 83747937]

約数ペア:

[(1, 83747937), (3, 27915979), (7, 11963991), (13, 6442149), (21, 3987997), (39, 2147383), (47, 1781871), (61, 1372917), (91, 920307), (107, 782691), (141, 593957), (183, 457639), (273, 306769), (321, 260897), (329, 254553), (427, 196131), (611, 137067), (749, 111813), (793, 105609), (987, 84851), (1281, 65377), (1391, 60207), (1833, 45689), (2247, 37271), (2379, 35203), (2867, 29211), (4173, 20069), (4277, 19581), (5029, 16653), (5551, 15087), (6527, 12831), (8601, 9737)]