221240538

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{110731}}^1$

素因数の和:110779

約数の個数: 32

約数和(自身を含む): 504937920

約数和(自身を除く): 283697382

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 110731, 221462, 332193, 664386, 996579, 1993158, 2989737, 4097047, 5979474, 8194094, 12291141, 24582282, 36873423, 73746846, 110620269, 221240538]

約数ペア:

[(1, 221240538), (2, 110620269), (3, 73746846), (6, 36873423), (9, 24582282), (18, 12291141), (27, 8194094), (37, 5979474), (54, 4097047), (74, 2989737), (111, 1993158), (222, 996579), (333, 664386), (666, 332193), (999, 221462), (1998, 110731)]