22781475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:181

約数の個数: 54

約数和(自身を含む): 43548180

約数和(自身を除く): 20766705

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 95, 171, 219, 225, 285, 365, 475, 657, 855, 1095, 1387, 1425, 1825, 3285, 4161, 4275, 5329, 5475, 6935, 12483, 15987, 16425, 20805, 26645, 34675, 47961, 62415, 79935, 101251, 104025, 133225, 239805, 303753, 312075, 399675, 506255, 911259, 1199025, 1518765, 2531275, 4556295, 7593825, 22781475]

約数ペア:

[(1, 22781475), (3, 7593825), (5, 4556295), (9, 2531275), (15, 1518765), (19, 1199025), (25, 911259), (45, 506255), (57, 399675), (73, 312075), (75, 303753), (95, 239805), (171, 133225), (219, 104025), (225, 101251), (285, 79935), (365, 62415), (475, 47961), (657, 34675), (855, 26645), (1095, 20805), (1387, 16425), (1425, 15987), (1825, 12483), (3285, 6935), (4161, 5475), (4275, 5329)]