2798985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 5713920

約数和(自身を除く): 2914935

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 61, 69, 95, 105, 115, 133, 161, 183, 285, 305, 345, 399, 427, 437, 483, 665, 805, 915, 1159, 1281, 1311, 1403, 1995, 2135, 2185, 2415, 3059, 3477, 4209, 5795, 6405, 6555, 7015, 8113, 9177, 9821, 15295, 17385, 21045, 24339, 26657, 29463, 40565, 45885, 49105, 79971, 121695, 133285, 147315, 186599, 399855, 559797, 932995, 2798985]

約数ペア:

[(1, 2798985), (3, 932995), (5, 559797), (7, 399855), (15, 186599), (19, 147315), (21, 133285), (23, 121695), (35, 79971), (57, 49105), (61, 45885), (69, 40565), (95, 29463), (105, 26657), (115, 24339), (133, 21045), (161, 17385), (183, 15295), (285, 9821), (305, 9177), (345, 8113), (399, 7015), (427, 6555), (437, 6405), (483, 5795), (665, 4209), (805, 3477), (915, 3059), (1159, 2415), (1281, 2185), (1311, 2135), (1403, 1995)]