206857503

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1499}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 324000000

約数和(自身を除く): 117142497

約数列:

[1, 3, 9, 19, 27, 57, 171, 269, 513, 807, 1499, 2421, 4497, 5111, 7263, 13491, 15333, 28481, 40473, 45999, 85443, 137997, 256329, 403231, 768987, 1209693, 3629079, 7661389, 10887237, 22984167, 68952501, 206857503]

約数ペア:

[(1, 206857503), (3, 68952501), (9, 22984167), (19, 10887237), (27, 7661389), (57, 3629079), (171, 1209693), (269, 768987), (513, 403231), (807, 256329), (1499, 137997), (2421, 85443), (4497, 45999), (5111, 40473), (7263, 28481), (13491, 15333)]