28627065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 54857088

約数和(自身を除く): 26230023

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1627, 1955, 3519, 4881, 5865, 8135, 14643, 17595, 24405, 27659, 37421, 73215, 82977, 112263, 138295, 187105, 248931, 336789, 414885, 561315, 636157, 1244655, 1683945, 1908471, 3180785, 5725413, 9542355, 28627065]

約数ペア:

[(1, 28627065), (3, 9542355), (5, 5725413), (9, 3180785), (15, 1908471), (17, 1683945), (23, 1244655), (45, 636157), (51, 561315), (69, 414885), (85, 336789), (115, 248931), (153, 187105), (207, 138295), (255, 112263), (345, 82977), (391, 73215), (765, 37421), (1035, 27659), (1173, 24405), (1627, 17595), (1955, 14643), (3519, 8135), (4881, 5865)]