204414561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 333645312

約数和(自身を除く): 129230751

約数列:

[1, 3, 9, 13, 39, 41, 43, 117, 123, 129, 369, 387, 533, 559, 991, 1599, 1677, 1763, 2973, 4797, 5031, 5289, 8919, 12883, 15867, 22919, 38649, 40631, 42613, 68757, 115947, 121893, 127839, 206271, 365679, 383517, 528203, 553969, 1584609, 1661907, 1747133, 4753827, 4985721, 5241399, 15724197, 22712729, 68138187, 204414561]

約数ペア:

[(1, 204414561), (3, 68138187), (9, 22712729), (13, 15724197), (39, 5241399), (41, 4985721), (43, 4753827), (117, 1747133), (123, 1661907), (129, 1584609), (369, 553969), (387, 528203), (533, 383517), (559, 365679), (991, 206271), (1599, 127839), (1677, 121893), (1763, 115947), (2973, 68757), (4797, 42613), (5031, 40631), (5289, 38649), (8919, 22919), (12883, 15867)]