3977505

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 8642304

約数和(自身を除く): 4664799

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 61, 63, 69, 81, 105, 115, 135, 161, 183, 189, 207, 305, 315, 345, 405, 427, 483, 549, 567, 621, 805, 915, 945, 1035, 1281, 1403, 1449, 1647, 1863, 2135, 2415, 2745, 2835, 3105, 3843, 4209, 4347, 4941, 6405, 7015, 7245, 8235, 9315, 9821, 11529, 12627, 13041, 19215, 21045, 21735, 24705, 29463, 34587, 37881, 49105, 57645, 63135, 65205, 88389, 113643, 147315, 172935, 189405, 265167, 441945, 568215, 795501, 1325835, 3977505]

約数ペア:

[(1, 3977505), (3, 1325835), (5, 795501), (7, 568215), (9, 441945), (15, 265167), (21, 189405), (23, 172935), (27, 147315), (35, 113643), (45, 88389), (61, 65205), (63, 63135), (69, 57645), (81, 49105), (105, 37881), (115, 34587), (135, 29463), (161, 24705), (183, 21735), (189, 21045), (207, 19215), (305, 13041), (315, 12627), (345, 11529), (405, 9821), (427, 9315), (483, 8235), (549, 7245), (567, 7015), (621, 6405), (805, 4941), (915, 4347), (945, 4209), (1035, 3843), (1281, 3105), (1403, 2835), (1449, 2745), (1647, 2415), (1863, 2135)]