27291537

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 22328943

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 709, 819, 987, 1833, 2127, 2961, 4277, 4963, 5499, 6381, 9217, 12831, 14889, 27651, 33323, 38493, 44667, 64519, 82953, 99969, 193557, 233261, 299907, 433199, 580671, 699783, 1299597, 2099349, 3032393, 3898791, 9097179, 27291537]

約数ペア:

[(1, 27291537), (3, 9097179), (7, 3898791), (9, 3032393), (13, 2099349), (21, 1299597), (39, 699783), (47, 580671), (63, 433199), (91, 299907), (117, 233261), (141, 193557), (273, 99969), (329, 82953), (423, 64519), (611, 44667), (709, 38493), (819, 33323), (987, 27651), (1833, 14889), (2127, 12831), (2961, 9217), (4277, 6381), (4963, 5499)]