4142385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 7919184

約数和(自身を除く): 3776799

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 97, 117, 195, 219, 291, 365, 485, 585, 657, 873, 949, 1095, 1261, 1455, 2847, 3285, 3783, 4365, 4745, 6305, 7081, 8541, 11349, 14235, 18915, 21243, 35405, 42705, 56745, 63729, 92053, 106215, 276159, 318645, 460265, 828477, 1380795, 4142385]

約数ペア:

[(1, 4142385), (3, 1380795), (5, 828477), (9, 460265), (13, 318645), (15, 276159), (39, 106215), (45, 92053), (65, 63729), (73, 56745), (97, 42705), (117, 35405), (195, 21243), (219, 18915), (291, 14235), (365, 11349), (485, 8541), (585, 7081), (657, 6305), (873, 4745), (949, 4365), (1095, 3783), (1261, 3285), (1455, 2847)]