1373355

素因数分解:

$3^4\times 5^1\times {\mathrm{3391}}^1$

素因数の和:3408

約数の個数: 20

約数和(自身を含む): 2462592

約数和(自身を除く): 1089237

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3391, 10173, 16955, 30519, 50865, 91557, 152595, 274671, 457785, 1373355]

約数ペア:

[(1, 1373355), (3, 457785), (5, 274671), (9, 152595), (15, 91557), (27, 50865), (45, 30519), (81, 16955), (135, 10173), (405, 3391)]