216975915

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 112

約数和(自身を含む): 444370080

約数和(自身を除く): 227394165

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 241, 243, 247, 285, 351, 405, 513, 585, 723, 729, 741, 855, 1053, 1205, 1215, 1235, 1539, 1755, 2169, 2223, 2565, 3133, 3159, 3615, 3645, 3705, 4579, 4617, 5265, 6507, 6669, 7695, 9399, 9477, 10845, 11115, 13737, 13851, 15665, 15795, 19521, 20007, 22895, 23085, 28197, 32535, 33345, 41211, 46995, 47385, 58563, 59527, 60021, 68685, 69255, 84591, 97605, 100035, 123633, 140985, 175689, 178581, 180063, 206055, 253773, 292815, 297635, 300105, 370899, 422955, 535743, 618165, 761319, 878445, 892905, 900315, 1112697, 1268865, 1607229, 1854495, 2283957, 2678715, 3338091, 3806595, 4821687, 5563485, 8036145, 11419785, 14465061, 16690455, 24108435, 43395183, 72325305, 216975915]

約数ペア:

[(1, 216975915), (3, 72325305), (5, 43395183), (9, 24108435), (13, 16690455), (15, 14465061), (19, 11419785), (27, 8036145), (39, 5563485), (45, 4821687), (57, 3806595), (65, 3338091), (81, 2678715), (95, 2283957), (117, 1854495), (135, 1607229), (171, 1268865), (195, 1112697), (241, 900315), (243, 892905), (247, 878445), (285, 761319), (351, 618165), (405, 535743), (513, 422955), (585, 370899), (723, 300105), (729, 297635), (741, 292815), (855, 253773), (1053, 206055), (1205, 180063), (1215, 178581), (1235, 175689), (1539, 140985), (1755, 123633), (2169, 100035), (2223, 97605), (2565, 84591), (3133, 69255), (3159, 68685), (3615, 60021), (3645, 59527), (3705, 58563), (4579, 47385), (4617, 46995), (5265, 41211), (6507, 33345), (6669, 32535), (7695, 28197), (9399, 23085), (9477, 22895), (10845, 20007), (11115, 19521), (13737, 15795), (13851, 15665)]