39772719

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 69888000

約数和(自身を除く): 30115281

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 223, 399, 447, 669, 1043, 1197, 1341, 1561, 2007, 2831, 3129, 4237, 4683, 8493, 9387, 12711, 14049, 19817, 25479, 29659, 33227, 38133, 59451, 88977, 99681, 178353, 232589, 266931, 299043, 631313, 697767, 1893939, 2093301, 4419191, 5681817, 13257573, 39772719]

約数ペア:

[(1, 39772719), (3, 13257573), (7, 5681817), (9, 4419191), (19, 2093301), (21, 1893939), (57, 697767), (63, 631313), (133, 299043), (149, 266931), (171, 232589), (223, 178353), (399, 99681), (447, 88977), (669, 59451), (1043, 38133), (1197, 33227), (1341, 29659), (1561, 25479), (2007, 19817), (2831, 14049), (3129, 12711), (4237, 9387), (4683, 8493)]