10920915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 20386080

約数和(自身を除く): 9465165

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 241, 265, 285, 477, 723, 795, 855, 1007, 1205, 2169, 2385, 3021, 3615, 4579, 5035, 9063, 10845, 12773, 13737, 15105, 22895, 38319, 41211, 45315, 63865, 68685, 114957, 191595, 206055, 242687, 574785, 728061, 1213435, 2184183, 3640305, 10920915]

約数ペア:

[(1, 10920915), (3, 3640305), (5, 2184183), (9, 1213435), (15, 728061), (19, 574785), (45, 242687), (53, 206055), (57, 191595), (95, 114957), (159, 68685), (171, 63865), (241, 45315), (265, 41211), (285, 38319), (477, 22895), (723, 15105), (795, 13737), (855, 12773), (1007, 10845), (1205, 9063), (2169, 5035), (2385, 4579), (3021, 3615)]