521307567

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 907517520

約数和(自身を除く): 386209953

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 121, 153, 187, 261, 319, 363, 493, 561, 957, 971, 1089, 1479, 1683, 2057, 2871, 2913, 3509, 4437, 5423, 6171, 8739, 10527, 10681, 16269, 16507, 18513, 28159, 31581, 32043, 48807, 49521, 59653, 84477, 96129, 117491, 148563, 178959, 181577, 253431, 309749, 352473, 478703, 536877, 544731, 929247, 1057419, 1436109, 1634193, 1997347, 2787741, 3407239, 4308327, 5265733, 5992041, 10221717, 15797199, 17976123, 30665151, 47391597, 57923063, 173769189, 521307567]

約数ペア:

[(1, 521307567), (3, 173769189), (9, 57923063), (11, 47391597), (17, 30665151), (29, 17976123), (33, 15797199), (51, 10221717), (87, 5992041), (99, 5265733), (121, 4308327), (153, 3407239), (187, 2787741), (261, 1997347), (319, 1634193), (363, 1436109), (493, 1057419), (561, 929247), (957, 544731), (971, 536877), (1089, 478703), (1479, 352473), (1683, 309749), (2057, 253431), (2871, 181577), (2913, 178959), (3509, 148563), (4437, 117491), (5423, 96129), (6171, 84477), (8739, 59653), (10527, 49521), (10681, 48807), (16269, 32043), (16507, 31581), (18513, 28159)]