81042777

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 46328103

約数列:

[1, 3, 9, 23, 53, 69, 83, 89, 159, 207, 249, 267, 477, 747, 801, 1219, 1909, 2047, 3657, 4399, 4717, 5727, 6141, 7387, 10971, 13197, 14151, 17181, 18423, 22161, 39591, 42453, 66483, 101177, 108491, 169901, 303531, 325473, 391511, 509703, 910593, 976419, 1174533, 1529109, 3523599, 9004753, 27014259, 81042777]

約数ペア:

[(1, 81042777), (3, 27014259), (9, 9004753), (23, 3523599), (53, 1529109), (69, 1174533), (83, 976419), (89, 910593), (159, 509703), (207, 391511), (249, 325473), (267, 303531), (477, 169901), (747, 108491), (801, 101177), (1219, 66483), (1909, 42453), (2047, 39591), (3657, 22161), (4399, 18423), (4717, 17181), (5727, 14151), (6141, 13197), (7387, 10971)]