320848497

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 535280616

約数和(自身を除く): 214432119

約数列:

[1, 3, 9, 17, 19, 37, 51, 57, 111, 153, 157, 171, 323, 333, 361, 471, 629, 703, 969, 1083, 1413, 1887, 2109, 2669, 2907, 2983, 3249, 5661, 5809, 6137, 6327, 8007, 8949, 11951, 13357, 17427, 18411, 24021, 26847, 35853, 40071, 50711, 52281, 55233, 56677, 98753, 107559, 110371, 120213, 152133, 170031, 227069, 296259, 331113, 456399, 510093, 681207, 888777, 963509, 993339, 1876307, 2043621, 2097049, 2890527, 5628921, 6291147, 8671581, 16886763, 18873441, 35649833, 106949499, 320848497]

約数ペア:

[(1, 320848497), (3, 106949499), (9, 35649833), (17, 18873441), (19, 16886763), (37, 8671581), (51, 6291147), (57, 5628921), (111, 2890527), (153, 2097049), (157, 2043621), (171, 1876307), (323, 993339), (333, 963509), (361, 888777), (471, 681207), (629, 510093), (703, 456399), (969, 331113), (1083, 296259), (1413, 227069), (1887, 170031), (2109, 152133), (2669, 120213), (2907, 110371), (2983, 107559), (3249, 98753), (5661, 56677), (5809, 55233), (6137, 52281), (6327, 50711), (8007, 40071), (8949, 35853), (11951, 26847), (13357, 24021), (17427, 18411)]