213060309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 359546880

約数和(自身を除く): 146486571

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 191, 231, 363, 439, 573, 847, 1317, 1337, 2101, 2541, 3073, 4011, 4829, 6303, 9219, 14487, 14707, 23111, 33803, 44121, 53119, 69333, 83849, 101409, 159357, 161777, 251547, 371833, 485331, 586943, 922339, 1115499, 1760829, 2767017, 6456373, 10145729, 19369119, 30437187, 71020103, 213060309]

約数ペア:

[(1, 213060309), (3, 71020103), (7, 30437187), (11, 19369119), (21, 10145729), (33, 6456373), (77, 2767017), (121, 1760829), (191, 1115499), (231, 922339), (363, 586943), (439, 485331), (573, 371833), (847, 251547), (1317, 161777), (1337, 159357), (2101, 101409), (2541, 83849), (3073, 69333), (4011, 53119), (4829, 44121), (6303, 33803), (9219, 23111), (14487, 14707)]