1856551995

素因数分解:

$3^4\times 5^1\times {\mathrm{877}}^1\times {\mathrm{5227}}^1$

素因数の和:6121

約数の個数: 40

約数和(自身を含む): 3332473584

約数和(自身を除く): 1475921589

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 877, 2631, 4385, 5227, 7893, 13155, 15681, 23679, 26135, 39465, 47043, 71037, 78405, 118395, 141129, 235215, 355185, 423387, 705645, 2116935, 4584079, 13752237, 22920395, 41256711, 68761185, 123770133, 206283555, 371310399, 618850665, 1856551995]

約数ペア:

[(1, 1856551995), (3, 618850665), (5, 371310399), (9, 206283555), (15, 123770133), (27, 68761185), (45, 41256711), (81, 22920395), (135, 13752237), (405, 4584079), (877, 2116935), (2631, 705645), (4385, 423387), (5227, 355185), (7893, 235215), (13155, 141129), (15681, 118395), (23679, 78405), (26135, 71037), (39465, 47043)]