28731645

素因数分解:

$3^3\times 5^1\times {\mathrm{212827}}^1$

素因数の和:212841

約数の個数: 16

約数和(自身を含む): 51078720

約数和(自身を除く): 22347075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 212827, 638481, 1064135, 1915443, 3192405, 5746329, 9577215, 28731645]

約数ペア:

[(1, 28731645), (3, 9577215), (5, 5746329), (9, 3192405), (15, 1915443), (27, 1064135), (45, 638481), (135, 212827)]