681670728

素因数分解:

$2^3\times 3^4\times {\mathrm{1051961}}^1$

素因数の和:1051979

約数の個数: 40

約数和(自身を含む): 1909311030

約数和(自身を除く): 1227640302

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1051961, 2103922, 3155883, 4207844, 6311766, 8415688, 9467649, 12623532, 18935298, 25247064, 28402947, 37870596, 56805894, 75741192, 85208841, 113611788, 170417682, 227223576, 340835364, 681670728]

約数ペア:

[(1, 681670728), (2, 340835364), (3, 227223576), (4, 170417682), (6, 113611788), (8, 85208841), (9, 75741192), (12, 56805894), (18, 37870596), (24, 28402947), (27, 25247064), (36, 18935298), (54, 12623532), (72, 9467649), (81, 8415688), (108, 6311766), (162, 4207844), (216, 3155883), (324, 2103922), (648, 1051961)]