28742973

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 17087427

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 327, 433, 609, 763, 1299, 2289, 3031, 3161, 9093, 9483, 12557, 22127, 37671, 47197, 66381, 87899, 141591, 263697, 330379, 991137, 1368713, 4106139, 9580991, 28742973]

約数ペア:

[(1, 28742973), (3, 9580991), (7, 4106139), (21, 1368713), (29, 991137), (87, 330379), (109, 263697), (203, 141591), (327, 87899), (433, 66381), (609, 47197), (763, 37671), (1299, 22127), (2289, 12557), (3031, 9483), (3161, 9093)]