17729145

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 36656640

約数和(自身を除く): 18927495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 105, 135, 189, 219, 257, 315, 365, 511, 657, 771, 945, 1095, 1285, 1533, 1799, 1971, 2313, 2555, 3285, 3855, 4599, 5397, 6939, 7665, 8995, 9855, 11565, 13797, 16191, 18761, 22995, 26985, 34695, 48573, 56283, 68985, 80955, 93805, 131327, 168849, 242865, 281415, 393981, 506547, 656635, 844245, 1181943, 1969905, 2532735, 3545829, 5909715, 17729145]

約数ペア:

[(1, 17729145), (3, 5909715), (5, 3545829), (7, 2532735), (9, 1969905), (15, 1181943), (21, 844245), (27, 656635), (35, 506547), (45, 393981), (63, 281415), (73, 242865), (105, 168849), (135, 131327), (189, 93805), (219, 80955), (257, 68985), (315, 56283), (365, 48573), (511, 34695), (657, 26985), (771, 22995), (945, 18761), (1095, 16191), (1285, 13797), (1533, 11565), (1799, 9855), (1971, 8995), (2313, 7665), (2555, 6939), (3285, 5397), (3855, 4599)]