28344075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 49330176

約数和(自身を除く): 20986101

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 155, 167, 219, 365, 465, 501, 775, 835, 1095, 1825, 2263, 2325, 2505, 4175, 5177, 5475, 6789, 11315, 12191, 12525, 15531, 25885, 33945, 36573, 56575, 60955, 77655, 129425, 169725, 182865, 304775, 377921, 388275, 914325, 1133763, 1889605, 5668815, 9448025, 28344075]

約数ペア:

[(1, 28344075), (3, 9448025), (5, 5668815), (15, 1889605), (25, 1133763), (31, 914325), (73, 388275), (75, 377921), (93, 304775), (155, 182865), (167, 169725), (219, 129425), (365, 77655), (465, 60955), (501, 56575), (775, 36573), (835, 33945), (1095, 25885), (1825, 15531), (2263, 12525), (2325, 12191), (2505, 11315), (4175, 6789), (5177, 5475)]