66811563

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 124281248

約数和(自身を除く): 57469685

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 97, 117, 203, 261, 273, 291, 377, 609, 679, 819, 841, 873, 1131, 1261, 1827, 2037, 2523, 2639, 2813, 3393, 3783, 5887, 6111, 7569, 7917, 8439, 8827, 10933, 11349, 17661, 19691, 23751, 25317, 26481, 32799, 36569, 52983, 59073, 76531, 79443, 81577, 98397, 109707, 177219, 229593, 244731, 255983, 329121, 571039, 688779, 734193, 767949, 1060501, 1713117, 2303847, 3181503, 5139351, 7423507, 9544509, 22270521, 66811563]

約数ペア:

[(1, 66811563), (3, 22270521), (7, 9544509), (9, 7423507), (13, 5139351), (21, 3181503), (29, 2303847), (39, 1713117), (63, 1060501), (87, 767949), (91, 734193), (97, 688779), (117, 571039), (203, 329121), (261, 255983), (273, 244731), (291, 229593), (377, 177219), (609, 109707), (679, 98397), (819, 81577), (841, 79443), (873, 76531), (1131, 59073), (1261, 52983), (1827, 36569), (2037, 32799), (2523, 26481), (2639, 25317), (2813, 23751), (3393, 19691), (3783, 17661), (5887, 11349), (6111, 10933), (7569, 8827), (7917, 8439)]