28195211331

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1\times {\mathrm{34057}}^1$

素因数の和:34860

約数の個数: 48

約数和(自身を含む): 49347589824

約数和(自身を除く): 21152378493

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 773, 1071, 2319, 5411, 6957, 13141, 16233, 34057, 39423, 48699, 91987, 102171, 118269, 238399, 275961, 306513, 578969, 715197, 827883, 1736907, 2145591, 4052783, 5210721, 12158349, 26326061, 36475047, 78978183, 184282427, 236934549, 447543037, 552847281, 1342629111, 1658541843, 3132801259, 4027887333, 9398403777, 28195211331]

約数ペア:

[(1, 28195211331), (3, 9398403777), (7, 4027887333), (9, 3132801259), (17, 1658541843), (21, 1342629111), (51, 552847281), (63, 447543037), (119, 236934549), (153, 184282427), (357, 78978183), (773, 36475047), (1071, 26326061), (2319, 12158349), (5411, 5210721), (6957, 4052783), (13141, 2145591), (16233, 1736907), (34057, 827883), (39423, 715197), (48699, 578969), (91987, 306513), (102171, 275961), (118269, 238399)]