25493475

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 49203200

約数和(自身を除く): 23709725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 991, 1029, 1225, 1715, 2973, 3675, 4955, 5145, 6937, 8575, 14865, 20811, 24775, 25725, 34685, 48559, 74325, 104055, 145677, 173425, 242795, 339913, 520275, 728385, 1019739, 1213975, 1699565, 3641925, 5098695, 8497825, 25493475]

約数ペア:

[(1, 25493475), (3, 8497825), (5, 5098695), (7, 3641925), (15, 1699565), (21, 1213975), (25, 1019739), (35, 728385), (49, 520275), (75, 339913), (105, 242795), (147, 173425), (175, 145677), (245, 104055), (343, 74325), (525, 48559), (735, 34685), (991, 25725), (1029, 24775), (1225, 20811), (1715, 14865), (2973, 8575), (3675, 6937), (4955, 5145)]