13680225

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 27081600

約数和(自身を除く): 13401375

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1559, 1755, 2925, 4677, 7795, 8775, 14031, 20267, 23385, 38975, 42093, 60801, 70155, 101335, 116925, 182403, 210465, 304005, 350775, 506675, 547209, 912015, 1052325, 1520025, 2736045, 4560075, 13680225]

約数ペア:

[(1, 13680225), (3, 4560075), (5, 2736045), (9, 1520025), (13, 1052325), (15, 912015), (25, 547209), (27, 506675), (39, 350775), (45, 304005), (65, 210465), (75, 182403), (117, 116925), (135, 101335), (195, 70155), (225, 60801), (325, 42093), (351, 38975), (585, 23385), (675, 20267), (975, 14031), (1559, 8775), (1755, 7795), (2925, 4677)]