551429775

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20982

約数の個数: 60

約数和(自身を含む): 1100063272

約数和(自身を除く): 548633497

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2925, 5265, 8775, 20947, 26325, 62841, 104735, 188523, 272311, 314205, 523675, 565569, 816933, 942615, 1361555, 1571025, 1696707, 2450799, 2827845, 4084665, 4713075, 6807775, 7352397, 8483535, 12253995, 14139225, 20423325, 22057191, 36761985, 42417675, 61269975, 110285955, 183809925, 551429775]

約数ペア:

[(1, 551429775), (3, 183809925), (5, 110285955), (9, 61269975), (13, 42417675), (15, 36761985), (25, 22057191), (27, 20423325), (39, 14139225), (45, 12253995), (65, 8483535), (75, 7352397), (81, 6807775), (117, 4713075), (135, 4084665), (195, 2827845), (225, 2450799), (325, 1696707), (351, 1571025), (405, 1361555), (585, 942615), (675, 816933), (975, 565569), (1053, 523675), (1755, 314205), (2025, 272311), (2925, 188523), (5265, 104735), (8775, 62841), (20947, 26325)]