26912691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 44606016

約数和(自身を除く): 17693325

約数列:

[1, 3, 9, 13, 23, 39, 69, 73, 117, 137, 207, 219, 299, 411, 657, 897, 949, 1233, 1679, 1781, 2691, 2847, 3151, 5037, 5343, 8541, 9453, 10001, 15111, 16029, 21827, 28359, 30003, 40963, 65481, 90009, 122889, 130013, 196443, 230023, 368667, 390039, 690069, 1170117, 2070207, 2990299, 8970897, 26912691]

約数ペア:

[(1, 26912691), (3, 8970897), (9, 2990299), (13, 2070207), (23, 1170117), (39, 690069), (69, 390039), (73, 368667), (117, 230023), (137, 196443), (207, 130013), (219, 122889), (299, 90009), (411, 65481), (657, 40963), (897, 30003), (949, 28359), (1233, 21827), (1679, 16029), (1781, 15111), (2691, 10001), (2847, 9453), (3151, 8541), (5037, 5343)]