18273465

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 37854720

約数和(自身を除く): 19581255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 317, 427, 549, 915, 945, 951, 1281, 1585, 1647, 2135, 2219, 2745, 2853, 3843, 4755, 6405, 6657, 8235, 8559, 11095, 11529, 14265, 19215, 19337, 19971, 33285, 42795, 57645, 58011, 59913, 96685, 99855, 135359, 174033, 290055, 299565, 406077, 522099, 676795, 870165, 1218231, 2030385, 2610495, 3654693, 6091155, 18273465]

約数ペア:

[(1, 18273465), (3, 6091155), (5, 3654693), (7, 2610495), (9, 2030385), (15, 1218231), (21, 870165), (27, 676795), (35, 522099), (45, 406077), (61, 299565), (63, 290055), (105, 174033), (135, 135359), (183, 99855), (189, 96685), (305, 59913), (315, 58011), (317, 57645), (427, 42795), (549, 33285), (915, 19971), (945, 19337), (951, 19215), (1281, 14265), (1585, 11529), (1647, 11095), (2135, 8559), (2219, 8235), (2745, 6657), (2853, 6405), (3843, 4755)]