85666725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 167325600

約数和(自身を除く): 81658875

約数列:

[1, 3, 5, 9, 15, 19, 25, 29, 45, 57, 75, 87, 95, 145, 171, 225, 261, 285, 435, 475, 551, 691, 725, 855, 1305, 1425, 1653, 2073, 2175, 2755, 3455, 4275, 4959, 6219, 6525, 8265, 10365, 13129, 13775, 17275, 20039, 24795, 31095, 39387, 41325, 51825, 60117, 65645, 100195, 118161, 123975, 155475, 180351, 196935, 300585, 328225, 380741, 500975, 590805, 901755, 984675, 1142223, 1502925, 1903705, 2954025, 3426669, 4508775, 5711115, 9518525, 17133345, 28555575, 85666725]

約数ペア:

[(1, 85666725), (3, 28555575), (5, 17133345), (9, 9518525), (15, 5711115), (19, 4508775), (25, 3426669), (29, 2954025), (45, 1903705), (57, 1502925), (75, 1142223), (87, 984675), (95, 901755), (145, 590805), (171, 500975), (225, 380741), (261, 328225), (285, 300585), (435, 196935), (475, 180351), (551, 155475), (691, 123975), (725, 118161), (855, 100195), (1305, 65645), (1425, 60117), (1653, 51825), (2073, 41325), (2175, 39387), (2755, 31095), (3455, 24795), (4275, 20039), (4959, 17275), (6219, 13775), (6525, 13129), (8265, 10365)]