15528681

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13005

約数の個数: 24

約数和(自身を含む): 26985920

約数和(自身を除く): 11457239

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 12973, 38919, 90811, 116757, 246487, 272433, 739461, 817299, 1725409, 2218383, 5176227, 15528681]

約数ペア:

[(1, 15528681), (3, 5176227), (7, 2218383), (9, 1725409), (19, 817299), (21, 739461), (57, 272433), (63, 246487), (133, 116757), (171, 90811), (399, 38919), (1197, 12973)]