31154319

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 57358080

約数和(自身を除く): 26203761

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 1531, 2261, 2907, 4593, 6783, 10717, 13779, 20349, 26027, 29089, 32151, 78081, 87267, 96453, 182189, 203623, 234243, 261801, 494513, 546567, 610869, 1483539, 1639701, 1832607, 3461591, 4450617, 10384773, 31154319]

約数ペア:

[(1, 31154319), (3, 10384773), (7, 4450617), (9, 3461591), (17, 1832607), (19, 1639701), (21, 1483539), (51, 610869), (57, 546567), (63, 494513), (119, 261801), (133, 234243), (153, 203623), (171, 182189), (323, 96453), (357, 87267), (399, 78081), (969, 32151), (1071, 29089), (1197, 26027), (1531, 20349), (2261, 13779), (2907, 10717), (4593, 6783)]