81027954

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5055

約数の個数: 48

約数和(自身を含む): 202213440

約数和(自身を除く): 121185486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 2358, 2751, 4909, 5502, 8253, 9818, 14727, 16506, 29454, 34363, 44181, 68726, 88362, 103089, 206178, 309267, 618534, 643079, 1286158, 1929237, 3858474, 4501553, 5787711, 9003106, 11575422, 13504659, 27009318, 40513977, 81027954]

約数ペア:

[(1, 81027954), (2, 40513977), (3, 27009318), (6, 13504659), (7, 11575422), (9, 9003106), (14, 5787711), (18, 4501553), (21, 3858474), (42, 1929237), (63, 1286158), (126, 643079), (131, 618534), (262, 309267), (393, 206178), (786, 103089), (917, 88362), (1179, 68726), (1834, 44181), (2358, 34363), (2751, 29454), (4909, 16506), (5502, 14727), (8253, 9818)]