217148169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^2$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 357017600

約数和(自身を除く): 139869431

約数列:

[1, 3, 7, 19, 21, 57, 79, 83, 133, 237, 249, 399, 553, 581, 1501, 1577, 1659, 1743, 4503, 4731, 6557, 6889, 10507, 11039, 19671, 20667, 31521, 33117, 45899, 48223, 124583, 130891, 137697, 144669, 373749, 392673, 544231, 872081, 916237, 1632693, 2616243, 2748711, 3809617, 10340389, 11428851, 31021167, 72382723, 217148169]

約数ペア:

[(1, 217148169), (3, 72382723), (7, 31021167), (19, 11428851), (21, 10340389), (57, 3809617), (79, 2748711), (83, 2616243), (133, 1632693), (237, 916237), (249, 872081), (399, 544231), (553, 392673), (581, 373749), (1501, 144669), (1577, 137697), (1659, 130891), (1743, 124583), (4503, 48223), (4731, 45899), (6557, 33117), (6889, 31521), (10507, 20667), (11039, 19671)]