28774683

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 51729920

約数和(自身を除く): 22955237

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 2671, 3591, 8013, 10773, 18697, 24039, 50749, 56091, 72117, 152247, 168273, 216351, 355243, 456741, 504819, 1065729, 1370223, 1514457, 3197187, 4110669, 9591561, 28774683]

約数ペア:

[(1, 28774683), (3, 9591561), (7, 4110669), (9, 3197187), (19, 1514457), (21, 1370223), (27, 1065729), (57, 504819), (63, 456741), (81, 355243), (133, 216351), (171, 168273), (189, 152247), (399, 72117), (513, 56091), (567, 50749), (1197, 24039), (1539, 18697), (2671, 10773), (3591, 8013)]