2519955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 4520880

約数和(自身を除く): 2000925

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1931, 5793, 9655, 17379, 28965, 55999, 86895, 167997, 279995, 503991, 839985, 2519955]

約数ペア:

[(1, 2519955), (3, 839985), (5, 503991), (9, 279995), (15, 167997), (29, 86895), (45, 55999), (87, 28965), (145, 17379), (261, 9655), (435, 5793), (1305, 1931)]