208041621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 304742400

約数和(自身を除く): 96700779

約数列:

[1, 3, 19, 29, 57, 87, 127, 381, 551, 991, 1653, 2413, 2973, 3683, 7239, 11049, 18829, 28739, 56487, 69977, 86217, 125857, 209931, 377571, 546041, 1638123, 2391283, 3649853, 7173849, 10949559, 69347207, 208041621]

約数ペア:

[(1, 208041621), (3, 69347207), (19, 10949559), (29, 7173849), (57, 3649853), (87, 2391283), (127, 1638123), (381, 546041), (551, 377571), (991, 209931), (1653, 125857), (2413, 86217), (2973, 69977), (3683, 56487), (7239, 28739), (11049, 18829)]