81413925

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{15289}}^1$

素因数の和:15373

約数の個数: 24

約数和(自身を含む): 136509120

約数和(自身を除く): 55095195

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 15289, 45867, 76445, 229335, 382225, 1085519, 1146675, 3256557, 5427595, 16282785, 27137975, 81413925]

約数ペア:

[(1, 81413925), (3, 27137975), (5, 16282785), (15, 5427595), (25, 3256557), (71, 1146675), (75, 1085519), (213, 382225), (355, 229335), (1065, 76445), (1775, 45867), (5325, 15289)]