15662865897

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{31081}}^1$

素因数の和:31534

約数の個数: 48

約数和(自身を含む): 27282536320

約数和(自身を除く): 11619670423

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 421, 1197, 1263, 2947, 3789, 7999, 8841, 23997, 26523, 31081, 55993, 71991, 93243, 167979, 217567, 279729, 503937, 590539, 652701, 1771617, 1958103, 4133773, 5314851, 12401319, 13085101, 37203957, 39255303, 91595707, 117765909, 248616919, 274787121, 745850757, 824361363, 1740318433, 2237552271, 5220955299, 15662865897]

約数ペア:

[(1, 15662865897), (3, 5220955299), (7, 2237552271), (9, 1740318433), (19, 824361363), (21, 745850757), (57, 274787121), (63, 248616919), (133, 117765909), (171, 91595707), (399, 39255303), (421, 37203957), (1197, 13085101), (1263, 12401319), (2947, 5314851), (3789, 4133773), (7999, 1958103), (8841, 1771617), (23997, 652701), (26523, 590539), (31081, 503937), (55993, 279729), (71991, 217567), (93243, 167979)]