53172369

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{13967}}^1$

素因数の和:14026

約数の個数: 20

約数和(自身を含む): 81126144

約数和(自身を除く): 27953775

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 13967, 41901, 125703, 377109, 656449, 1131327, 1969347, 5908041, 17724123, 53172369]

約数ペア:

[(1, 53172369), (3, 17724123), (9, 5908041), (27, 1969347), (47, 1131327), (81, 656449), (141, 377109), (423, 125703), (1269, 41901), (3807, 13967)]