201626919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 341948880

約数和(自身を除く): 140321961

約数列:

[1, 3, 9, 13, 17, 39, 51, 67, 89, 117, 153, 201, 221, 267, 289, 603, 663, 801, 867, 871, 1139, 1157, 1513, 1989, 2601, 2613, 3417, 3471, 3757, 4539, 5963, 7839, 10251, 10413, 11271, 13617, 14807, 17889, 19363, 19669, 25721, 33813, 44421, 53667, 58089, 59007, 77163, 77519, 101371, 133263, 174267, 177021, 231489, 232557, 251719, 304113, 334373, 697671, 755157, 912339, 1003119, 1317823, 1723307, 2265471, 3009357, 3953469, 5169921, 11860407, 15509763, 22402991, 67208973, 201626919]

約数ペア:

[(1, 201626919), (3, 67208973), (9, 22402991), (13, 15509763), (17, 11860407), (39, 5169921), (51, 3953469), (67, 3009357), (89, 2265471), (117, 1723307), (153, 1317823), (201, 1003119), (221, 912339), (267, 755157), (289, 697671), (603, 334373), (663, 304113), (801, 251719), (867, 232557), (871, 231489), (1139, 177021), (1157, 174267), (1513, 133263), (1989, 101371), (2601, 77519), (2613, 77163), (3417, 59007), (3471, 58089), (3757, 53667), (4539, 44421), (5963, 33813), (7839, 25721), (10251, 19669), (10413, 19363), (11271, 17889), (13617, 14807)]