25186725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 48901632

約数和(自身を除く): 23714907

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 115, 155, 157, 207, 225, 279, 345, 465, 471, 575, 713, 775, 785, 1035, 1395, 1413, 1725, 2139, 2325, 2355, 3565, 3611, 3925, 4867, 5175, 6417, 6975, 7065, 10695, 10833, 11775, 14601, 17825, 18055, 24335, 32085, 32499, 35325, 43803, 53475, 54165, 73005, 90275, 111941, 121675, 160425, 162495, 219015, 270825, 335823, 365025, 559705, 812475, 1007469, 1095075, 1679115, 2798525, 5037345, 8395575, 25186725]

約数ペア:

[(1, 25186725), (3, 8395575), (5, 5037345), (9, 2798525), (15, 1679115), (23, 1095075), (25, 1007469), (31, 812475), (45, 559705), (69, 365025), (75, 335823), (93, 270825), (115, 219015), (155, 162495), (157, 160425), (207, 121675), (225, 111941), (279, 90275), (345, 73005), (465, 54165), (471, 53475), (575, 43803), (713, 35325), (775, 32499), (785, 32085), (1035, 24335), (1395, 18055), (1413, 17825), (1725, 14601), (2139, 11775), (2325, 10833), (2355, 10695), (3565, 7065), (3611, 6975), (3925, 6417), (4867, 5175)]