420031245

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{19219}}^1$

素因数の和:19305

約数の個数: 32

約数和(自身を含む): 708526080

約数和(自身を除く): 288494835

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 19219, 21855, 57657, 96095, 288285, 595789, 903293, 1787367, 2709879, 2978945, 4516465, 8936835, 13549395, 28002083, 84006249, 140010415, 420031245]

約数ペア:

[(1, 420031245), (3, 140010415), (5, 84006249), (15, 28002083), (31, 13549395), (47, 8936835), (93, 4516465), (141, 2978945), (155, 2709879), (235, 1787367), (465, 903293), (705, 595789), (1457, 288285), (4371, 96095), (7285, 57657), (19219, 21855)]