28912095

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7219}}^1$

素因数の和:7319

約数の個数: 24

約数和(自身を含む): 50684400

約数和(自身を除く): 21772305

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 7219, 21657, 36095, 64971, 108285, 324855, 642491, 1927473, 3212455, 5782419, 9637365, 28912095]

約数ペア:

[(1, 28912095), (3, 9637365), (5, 5782419), (9, 3212455), (15, 1927473), (45, 642491), (89, 324855), (267, 108285), (445, 64971), (801, 36095), (1335, 21657), (4005, 7219)]