13200705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 27379200

約数和(自身を除く): 14178495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 229, 305, 315, 427, 549, 687, 915, 945, 1145, 1281, 1603, 1647, 2061, 2135, 2745, 3435, 3843, 4809, 6183, 6405, 8015, 8235, 10305, 11529, 13969, 14427, 19215, 24045, 30915, 41907, 43281, 57645, 69845, 72135, 97783, 125721, 209535, 216405, 293349, 377163, 488915, 628605, 880047, 1466745, 1885815, 2640141, 4400235, 13200705]

約数ペア:

[(1, 13200705), (3, 4400235), (5, 2640141), (7, 1885815), (9, 1466745), (15, 880047), (21, 628605), (27, 488915), (35, 377163), (45, 293349), (61, 216405), (63, 209535), (105, 125721), (135, 97783), (183, 72135), (189, 69845), (229, 57645), (305, 43281), (315, 41907), (427, 30915), (549, 24045), (687, 19215), (915, 14427), (945, 13969), (1145, 11529), (1281, 10305), (1603, 8235), (1647, 8015), (2061, 6405), (2135, 6183), (2745, 4809), (3435, 3843)]