1728249939

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 2814463872

約数和(自身を除く): 1086213933

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 191, 351, 507, 573, 661, 1053, 1521, 1719, 1983, 2483, 4563, 5157, 5949, 7449, 8593, 13689, 15471, 17847, 22347, 25779, 32279, 53541, 67041, 77337, 96837, 111709, 126251, 201123, 232011, 290511, 335127, 378753, 696033, 871533, 1005381, 1136259, 1641263, 2614599, 3016143, 3408777, 4923789, 9048429, 10226331, 14771367, 21336419, 44314101, 64009257, 132942303, 192027771, 576083313, 1728249939]

約数ペア:

[(1, 1728249939), (3, 576083313), (9, 192027771), (13, 132942303), (27, 64009257), (39, 44314101), (81, 21336419), (117, 14771367), (169, 10226331), (191, 9048429), (351, 4923789), (507, 3408777), (573, 3016143), (661, 2614599), (1053, 1641263), (1521, 1136259), (1719, 1005381), (1983, 871533), (2483, 696033), (4563, 378753), (5157, 335127), (5949, 290511), (7449, 232011), (8593, 201123), (13689, 126251), (15471, 111709), (17847, 96837), (22347, 77337), (25779, 67041), (32279, 53541)]