28354935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 27355785

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 233, 285, 305, 399, 427, 665, 699, 915, 1159, 1165, 1281, 1631, 1995, 2135, 3477, 3495, 4427, 4893, 5795, 6405, 8113, 8155, 13281, 14213, 17385, 22135, 24339, 24465, 30989, 40565, 42639, 66405, 71065, 92967, 99491, 121695, 154945, 213195, 270047, 298473, 464835, 497455, 810141, 1350235, 1492365, 1890329, 4050705, 5670987, 9451645, 28354935]

約数ペア:

[(1, 28354935), (3, 9451645), (5, 5670987), (7, 4050705), (15, 1890329), (19, 1492365), (21, 1350235), (35, 810141), (57, 497455), (61, 464835), (95, 298473), (105, 270047), (133, 213195), (183, 154945), (233, 121695), (285, 99491), (305, 92967), (399, 71065), (427, 66405), (665, 42639), (699, 40565), (915, 30989), (1159, 24465), (1165, 24339), (1281, 22135), (1631, 17385), (1995, 14213), (2135, 13281), (3477, 8155), (3495, 8113), (4427, 6405), (4893, 5795)]