71193681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 48556719

約数列:

[1, 3, 9, 13, 27, 39, 43, 53, 89, 117, 129, 159, 267, 351, 387, 477, 559, 689, 801, 1157, 1161, 1431, 1677, 2067, 2279, 2403, 3471, 3827, 4717, 5031, 6201, 6837, 10413, 11481, 14151, 15093, 18603, 20511, 29627, 31239, 34443, 42453, 49751, 61321, 61533, 88881, 103329, 127359, 149253, 183963, 202831, 266643, 447759, 551889, 608493, 799929, 1343277, 1655667, 1825479, 2636803, 5476437, 7910409, 23731227, 71193681]

約数ペア:

[(1, 71193681), (3, 23731227), (9, 7910409), (13, 5476437), (27, 2636803), (39, 1825479), (43, 1655667), (53, 1343277), (89, 799929), (117, 608493), (129, 551889), (159, 447759), (267, 266643), (351, 202831), (387, 183963), (477, 149253), (559, 127359), (689, 103329), (801, 88881), (1157, 61533), (1161, 61321), (1431, 49751), (1677, 42453), (2067, 34443), (2279, 31239), (2403, 29627), (3471, 20511), (3827, 18603), (4717, 15093), (5031, 14151), (6201, 11481), (6837, 10413)]