81107478

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 181705056

約数和(自身を除く): 100597578

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 193, 222, 333, 386, 579, 631, 666, 1158, 1262, 1737, 1893, 3474, 3786, 5679, 7141, 11358, 14282, 21423, 23347, 42846, 46694, 64269, 70041, 121783, 128538, 140082, 210123, 243566, 365349, 420246, 730698, 1096047, 2192094, 4505971, 9011942, 13517913, 27035826, 40553739, 81107478]

約数ペア:

[(1, 81107478), (2, 40553739), (3, 27035826), (6, 13517913), (9, 9011942), (18, 4505971), (37, 2192094), (74, 1096047), (111, 730698), (193, 420246), (222, 365349), (333, 243566), (386, 210123), (579, 140082), (631, 128538), (666, 121783), (1158, 70041), (1262, 64269), (1737, 46694), (1893, 42846), (3474, 23347), (3786, 21423), (5679, 14282), (7141, 11358)]