1209915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 2515968

約数和(自身を除く): 1306053

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 167, 207, 315, 345, 483, 501, 805, 835, 1035, 1169, 1449, 1503, 2415, 2505, 3507, 3841, 5845, 7245, 7515, 10521, 11523, 17535, 19205, 26887, 34569, 52605, 57615, 80661, 134435, 172845, 241983, 403305, 1209915]

約数ペア:

[(1, 1209915), (3, 403305), (5, 241983), (7, 172845), (9, 134435), (15, 80661), (21, 57615), (23, 52605), (35, 34569), (45, 26887), (63, 19205), (69, 17535), (105, 11523), (115, 10521), (161, 7515), (167, 7245), (207, 5845), (315, 3841), (345, 3507), (483, 2505), (501, 2415), (805, 1503), (835, 1449), (1035, 1169)]