25859475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 51068160

約数和(自身を除く): 25208685

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 263, 285, 345, 437, 475, 575, 789, 855, 1035, 1311, 1315, 1425, 1725, 2185, 2367, 3933, 3945, 4275, 4997, 5175, 6049, 6555, 6575, 10925, 11835, 14991, 18147, 19665, 19725, 24985, 30245, 32775, 44973, 54441, 59175, 74955, 90735, 98325, 114931, 124925, 151225, 224865, 272205, 344793, 374775, 453675, 574655, 1034379, 1124325, 1361025, 1723965, 2873275, 5171895, 8619825, 25859475]

約数ペア:

[(1, 25859475), (3, 8619825), (5, 5171895), (9, 2873275), (15, 1723965), (19, 1361025), (23, 1124325), (25, 1034379), (45, 574655), (57, 453675), (69, 374775), (75, 344793), (95, 272205), (115, 224865), (171, 151225), (207, 124925), (225, 114931), (263, 98325), (285, 90735), (345, 74955), (437, 59175), (475, 54441), (575, 44973), (789, 32775), (855, 30245), (1035, 24985), (1311, 19725), (1315, 19665), (1425, 18147), (1725, 14991), (2185, 11835), (2367, 10925), (3933, 6575), (3945, 6555), (4275, 6049), (4997, 5175)]