12921153

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 20832000

約数和(自身を除く): 7910847

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 433, 609, 1029, 1299, 1421, 3031, 4263, 9093, 9947, 12557, 21217, 29841, 37671, 63651, 87899, 148519, 263697, 445557, 615293, 1845879, 4307051, 12921153]

約数ペア:

[(1, 12921153), (3, 4307051), (7, 1845879), (21, 615293), (29, 445557), (49, 263697), (87, 148519), (147, 87899), (203, 63651), (343, 37671), (433, 29841), (609, 21217), (1029, 12557), (1299, 9947), (1421, 9093), (3031, 4263)]