199895787

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5953}}^1$

素因数の和:6020

約数の個数: 48

約数和(自身を含む): 364099008

約数和(自身を除く): 164203221

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 819, 861, 1599, 2583, 3731, 4797, 5953, 11193, 17859, 33579, 41671, 53577, 77389, 125013, 232167, 244073, 375039, 541723, 696501, 732219, 1625169, 1708511, 2196657, 3172949, 4875507, 5125533, 9518847, 15376599, 22210643, 28556541, 66631929, 199895787]

約数ペア:

[(1, 199895787), (3, 66631929), (7, 28556541), (9, 22210643), (13, 15376599), (21, 9518847), (39, 5125533), (41, 4875507), (63, 3172949), (91, 2196657), (117, 1708511), (123, 1625169), (273, 732219), (287, 696501), (369, 541723), (533, 375039), (819, 244073), (861, 232167), (1599, 125013), (2583, 77389), (3731, 53577), (4797, 41671), (5953, 33579), (11193, 17859)]