1971855

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 3538080

約数和(自身を除く): 1566225

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1511, 4533, 7555, 13599, 22665, 43819, 67995, 131457, 219095, 394371, 657285, 1971855]

約数ペア:

[(1, 1971855), (3, 657285), (5, 394371), (9, 219095), (15, 131457), (29, 67995), (45, 43819), (87, 22665), (145, 13599), (261, 7555), (435, 4533), (1305, 1511)]