81380538

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{13577}}^1$

素因数の和:13628

約数の個数: 40

約数和(自身を含む): 187294932

約数和(自身を除く): 105914394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 5994, 13577, 27154, 40731, 81462, 122193, 244386, 366579, 502349, 733158, 1004698, 1099737, 1507047, 2199474, 3014094, 4521141, 9042282, 13563423, 27126846, 40690269, 81380538]

約数ペア:

[(1, 81380538), (2, 40690269), (3, 27126846), (6, 13563423), (9, 9042282), (18, 4521141), (27, 3014094), (37, 2199474), (54, 1507047), (74, 1099737), (81, 1004698), (111, 733158), (162, 502349), (222, 366579), (333, 244386), (666, 122193), (999, 81462), (1998, 40731), (2997, 27154), (5994, 13577)]