788200065

素因数分解:

$3^4\times 5^1\times {\mathrm{1946173}}^1$

素因数の和:1946190

約数の個数: 20

約数和(自身を含む): 1412922324

約数和(自身を除く): 624722259

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1946173, 5838519, 9730865, 17515557, 29192595, 52546671, 87577785, 157640013, 262733355, 788200065]

約数ペア:

[(1, 788200065), (3, 262733355), (5, 157640013), (9, 87577785), (15, 52546671), (27, 29192595), (45, 17515557), (81, 9730865), (135, 5838519), (405, 1946173)]