71481081

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 113492736

約数和(自身を除く): 42011655

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 427, 861, 1281, 1361, 2501, 4083, 7503, 9527, 17507, 28581, 52521, 55801, 83021, 167403, 249063, 390607, 581147, 1171821, 1743441, 3403861, 10211583, 23827027, 71481081]

約数ペア:

[(1, 71481081), (3, 23827027), (7, 10211583), (21, 3403861), (41, 1743441), (61, 1171821), (123, 581147), (183, 390607), (287, 249063), (427, 167403), (861, 83021), (1281, 55801), (1361, 52521), (2501, 28581), (4083, 17507), (7503, 9527)]