12981465

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 28110720

約数和(自身を除く): 15129255

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 241, 285, 315, 399, 405, 513, 567, 665, 723, 855, 945, 1197, 1205, 1539, 1687, 1995, 2169, 2565, 2835, 3591, 3615, 4579, 5061, 5985, 6507, 7695, 8435, 10773, 10845, 13737, 15183, 17955, 19521, 22895, 25305, 32053, 32535, 41211, 45549, 53865, 68685, 75915, 96159, 97605, 123633, 136647, 160265, 206055, 227745, 288477, 370899, 480795, 618165, 683235, 865431, 1442385, 1854495, 2596293, 4327155, 12981465]

約数ペア:

[(1, 12981465), (3, 4327155), (5, 2596293), (7, 1854495), (9, 1442385), (15, 865431), (19, 683235), (21, 618165), (27, 480795), (35, 370899), (45, 288477), (57, 227745), (63, 206055), (81, 160265), (95, 136647), (105, 123633), (133, 97605), (135, 96159), (171, 75915), (189, 68685), (241, 53865), (285, 45549), (315, 41211), (399, 32535), (405, 32053), (513, 25305), (567, 22895), (665, 19521), (723, 17955), (855, 15183), (945, 13737), (1197, 10845), (1205, 10773), (1539, 8435), (1687, 7695), (1995, 6507), (2169, 5985), (2565, 5061), (2835, 4579), (3591, 3615)]