26161725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 46604160

約数和(自身を除く): 20442435

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 289, 355, 425, 867, 1065, 1207, 1275, 1445, 1775, 3621, 4335, 4913, 5325, 6035, 7225, 14739, 18105, 20519, 21675, 24565, 30175, 61557, 73695, 90525, 102595, 122825, 307785, 348823, 368475, 512975, 1046469, 1538925, 1744115, 5232345, 8720575, 26161725]

約数ペア:

[(1, 26161725), (3, 8720575), (5, 5232345), (15, 1744115), (17, 1538925), (25, 1046469), (51, 512975), (71, 368475), (75, 348823), (85, 307785), (213, 122825), (255, 102595), (289, 90525), (355, 73695), (425, 61557), (867, 30175), (1065, 24565), (1207, 21675), (1275, 20519), (1445, 18105), (1775, 14739), (3621, 7225), (4335, 6035), (4913, 5325)]