28866225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 51425280

約数和(自身を除く): 22559055

約数列:

[1, 3, 5, 15, 19, 25, 47, 57, 75, 95, 141, 235, 285, 431, 475, 705, 893, 1175, 1293, 1425, 2155, 2679, 3525, 4465, 6465, 8189, 10775, 13395, 20257, 22325, 24567, 32325, 40945, 60771, 66975, 101285, 122835, 204725, 303855, 384883, 506425, 614175, 1154649, 1519275, 1924415, 5773245, 9622075, 28866225]

約数ペア:

[(1, 28866225), (3, 9622075), (5, 5773245), (15, 1924415), (19, 1519275), (25, 1154649), (47, 614175), (57, 506425), (75, 384883), (95, 303855), (141, 204725), (235, 122835), (285, 101285), (431, 66975), (475, 60771), (705, 40945), (893, 32325), (1175, 24567), (1293, 22325), (1425, 20257), (2155, 13395), (2679, 10775), (3525, 8189), (4465, 6465)]