81707724

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{108079}}^1$

素因数の和:108099

約数の個数: 48

約数和(自身を含む): 242099200

約数和(自身を除く): 160391476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 108079, 216158, 324237, 432316, 648474, 756553, 972711, 1296948, 1513106, 1945422, 2269659, 2918133, 3026212, 3890844, 4539318, 5836266, 6808977, 9078636, 11672532, 13617954, 20426931, 27235908, 40853862, 81707724]

約数ペア:

[(1, 81707724), (2, 40853862), (3, 27235908), (4, 20426931), (6, 13617954), (7, 11672532), (9, 9078636), (12, 6808977), (14, 5836266), (18, 4539318), (21, 3890844), (27, 3026212), (28, 2918133), (36, 2269659), (42, 1945422), (54, 1513106), (63, 1296948), (84, 972711), (108, 756553), (126, 648474), (189, 432316), (252, 324237), (378, 216158), (756, 108079)]