1337981778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{9769}}^1$

素因数の和:10871

約数の個数: 48

約数和(自身を含む): 3316485120

約数和(自身を除く): 1978503342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1087, 2174, 3261, 6522, 7609, 9769, 9783, 15218, 19538, 19566, 22827, 29307, 45654, 58614, 68383, 68481, 87921, 136766, 136962, 175842, 205149, 410298, 615447, 1230894, 10618903, 21237806, 31856709, 63713418, 74332321, 95570127, 148664642, 191140254, 222996963, 445993926, 668990889, 1337981778]

約数ペア:

[(1, 1337981778), (2, 668990889), (3, 445993926), (6, 222996963), (7, 191140254), (9, 148664642), (14, 95570127), (18, 74332321), (21, 63713418), (42, 31856709), (63, 21237806), (126, 10618903), (1087, 1230894), (2174, 615447), (3261, 410298), (6522, 205149), (7609, 175842), (9769, 136962), (9783, 136766), (15218, 87921), (19538, 68481), (19566, 68383), (22827, 58614), (29307, 45654)]