490493955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{20399}}^1$

素因数の和:20643

約数の個数: 32

約数和(自身を含む): 900864000

約数和(自身を除く): 410370045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 1145, 1603, 3435, 4809, 8015, 20399, 24045, 61197, 101995, 142793, 305985, 428379, 713965, 2141895, 4671371, 14014113, 23356855, 32699597, 70070565, 98098791, 163497985, 490493955]

約数ペア:

[(1, 490493955), (3, 163497985), (5, 98098791), (7, 70070565), (15, 32699597), (21, 23356855), (35, 14014113), (105, 4671371), (229, 2141895), (687, 713965), (1145, 428379), (1603, 305985), (3435, 142793), (4809, 101995), (8015, 61197), (20399, 24045)]