289969659

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80749}}^1$

素因数の和:80784

約数の個数: 32

約数和(自身を含む): 516800000

約数和(自身を除く): 226830341

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 80749, 242247, 565243, 726741, 1534231, 1695729, 2180223, 4602693, 5087187, 10739617, 13808079, 15261561, 32218851, 41424237, 96656553, 289969659]

約数ペア:

[(1, 289969659), (3, 96656553), (7, 41424237), (9, 32218851), (19, 15261561), (21, 13808079), (27, 10739617), (57, 5087187), (63, 4602693), (133, 2180223), (171, 1695729), (189, 1534231), (399, 726741), (513, 565243), (1197, 242247), (3591, 80749)]