278859798903

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6977}}^1\times {\mathrm{16843}}^1$

素因数の和:23943

約数の個数: 32

約数和(自身を含む): 428776551936

約数和(自身を除く): 149916753033

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 6977, 16843, 20931, 48839, 50529, 117901, 146517, 353703, 788401, 1903259, 2365203, 5518807, 5709777, 13322813, 16556421, 39968439, 117513611, 352540833, 822595277, 2467785831, 13279038043, 39837114129, 92953266301, 278859798903]

約数ペア:

[(1, 278859798903), (3, 92953266301), (7, 39837114129), (21, 13279038043), (113, 2467785831), (339, 822595277), (791, 352540833), (2373, 117513611), (6977, 39968439), (16843, 16556421), (20931, 13322813), (48839, 5709777), (50529, 5518807), (117901, 2365203), (146517, 1903259), (353703, 788401)]