2005128909

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{941}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 3350505600

約数和(自身を除く): 1345376691

約数列:

[1, 3, 7, 9, 21, 63, 149, 227, 447, 681, 941, 1043, 1341, 1589, 2043, 2823, 3129, 4767, 6587, 8469, 9387, 14301, 19761, 33823, 59283, 101469, 140209, 213607, 236761, 304407, 420627, 640821, 710283, 981463, 1261881, 1495249, 1922463, 2130849, 2944389, 4485747, 8833167, 13457241, 31827443, 95482329, 222792101, 286446987, 668376303, 2005128909]

約数ペア:

[(1, 2005128909), (3, 668376303), (7, 286446987), (9, 222792101), (21, 95482329), (63, 31827443), (149, 13457241), (227, 8833167), (447, 4485747), (681, 2944389), (941, 2130849), (1043, 1922463), (1341, 1495249), (1589, 1261881), (2043, 981463), (2823, 710283), (3129, 640821), (4767, 420627), (6587, 304407), (8469, 236761), (9387, 213607), (14301, 140209), (19761, 101469), (33823, 59283)]