40921209

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 72843264

約数和(自身を除く): 31922055

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 651, 713, 911, 1449, 1953, 2139, 2733, 4991, 6377, 6417, 8199, 14973, 19131, 20953, 28241, 44919, 57393, 62859, 84723, 146671, 188577, 197687, 254169, 440013, 593061, 649543, 1320039, 1779183, 1948629, 4546801, 5845887, 13640403, 40921209]

約数ペア:

[(1, 40921209), (3, 13640403), (7, 5845887), (9, 4546801), (21, 1948629), (23, 1779183), (31, 1320039), (63, 649543), (69, 593061), (93, 440013), (161, 254169), (207, 197687), (217, 188577), (279, 146671), (483, 84723), (651, 62859), (713, 57393), (911, 44919), (1449, 28241), (1953, 20953), (2139, 19131), (2733, 14973), (4991, 8199), (6377, 6417)]