15507921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 24974208

約数和(自身を除く): 9466287

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 977, 1221, 1443, 2931, 5291, 10747, 12701, 15873, 32241, 36149, 38103, 108447, 139711, 397639, 419133, 469937, 1192917, 1409811, 5169307, 15507921]

約数ペア:

[(1, 15507921), (3, 5169307), (11, 1409811), (13, 1192917), (33, 469937), (37, 419133), (39, 397639), (111, 139711), (143, 108447), (407, 38103), (429, 36149), (481, 32241), (977, 15873), (1221, 12701), (1443, 10747), (2931, 5291)]