71327325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 127866816

約数和(自身を除く): 56539491

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 1301, 2193, 3225, 3655, 3903, 6505, 10965, 18275, 19515, 22117, 32525, 54825, 55943, 66351, 97575, 110585, 167829, 279715, 331755, 552925, 839145, 951031, 1398575, 1658775, 2853093, 4195725, 4755155, 14265465, 23775775, 71327325]

約数ペア:

[(1, 71327325), (3, 23775775), (5, 14265465), (15, 4755155), (17, 4195725), (25, 2853093), (43, 1658775), (51, 1398575), (75, 951031), (85, 839145), (129, 552925), (215, 331755), (255, 279715), (425, 167829), (645, 110585), (731, 97575), (1075, 66351), (1275, 55943), (1301, 54825), (2193, 32525), (3225, 22117), (3655, 19515), (3903, 18275), (6505, 10965)]