81145395

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1049}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 146361600

約数和(自身を除く): 65216205

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1049, 1719, 2865, 3147, 5157, 5245, 8595, 9441, 15471, 15735, 25785, 28323, 47205, 77355, 84969, 141615, 200359, 424845, 601077, 1001795, 1803231, 3005385, 5409693, 9016155, 16229079, 27048465, 81145395]

約数ペア:

[(1, 81145395), (3, 27048465), (5, 16229079), (9, 9016155), (15, 5409693), (27, 3005385), (45, 1803231), (81, 1001795), (135, 601077), (191, 424845), (405, 200359), (573, 141615), (955, 84969), (1049, 77355), (1719, 47205), (2865, 28323), (3147, 25785), (5157, 15735), (5245, 15471), (8595, 9441)]