213886545

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{15121}}^1$

素因数の和:15193

約数の個数: 32

約数和(自身を含む): 365831424

約数和(自身を除く): 151944879

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2829, 4715, 14145, 15121, 45363, 75605, 226815, 347783, 619961, 1043349, 1738915, 1859883, 3099805, 5216745, 9299415, 14259103, 42777309, 71295515, 213886545]

約数ペア:

[(1, 213886545), (3, 71295515), (5, 42777309), (15, 14259103), (23, 9299415), (41, 5216745), (69, 3099805), (115, 1859883), (123, 1738915), (205, 1043349), (345, 619961), (615, 347783), (943, 226815), (2829, 75605), (4715, 45363), (14145, 15121)]