821399994

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6911}}^1$

素因数の和:7024

約数の個数: 64

約数和(自身を含む): 1911029760

約数和(自身を除く): 1089629766

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 837, 1278, 1674, 1917, 2201, 3834, 4402, 6603, 6911, 13206, 13822, 19809, 20733, 39618, 41466, 59427, 62199, 118854, 124398, 186597, 214241, 373194, 428482, 490681, 642723, 981362, 1285446, 1472043, 1928169, 2944086, 3856338, 4416129, 5784507, 8832258, 11569014, 13248387, 15211111, 26496774, 30422222, 45633333, 91266666, 136899999, 273799998, 410699997, 821399994]

約数ペア:

[(1, 821399994), (2, 410699997), (3, 273799998), (6, 136899999), (9, 91266666), (18, 45633333), (27, 30422222), (31, 26496774), (54, 15211111), (62, 13248387), (71, 11569014), (93, 8832258), (142, 5784507), (186, 4416129), (213, 3856338), (279, 2944086), (426, 1928169), (558, 1472043), (639, 1285446), (837, 981362), (1278, 642723), (1674, 490681), (1917, 428482), (2201, 373194), (3834, 214241), (4402, 186597), (6603, 124398), (6911, 118854), (13206, 62199), (13822, 59427), (19809, 41466), (20733, 39618)]