27873585

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 25210575

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 115, 135, 141, 191, 207, 235, 345, 423, 573, 621, 705, 955, 1035, 1081, 1269, 1719, 2115, 2865, 3105, 3243, 4393, 5157, 5405, 6345, 8595, 8977, 9729, 13179, 16215, 21965, 25785, 26931, 29187, 39537, 44885, 48645, 65895, 80793, 118611, 134655, 145935, 197685, 206471, 242379, 403965, 593055, 619413, 1032355, 1211895, 1858239, 3097065, 5574717, 9291195, 27873585]

約数ペア:

[(1, 27873585), (3, 9291195), (5, 5574717), (9, 3097065), (15, 1858239), (23, 1211895), (27, 1032355), (45, 619413), (47, 593055), (69, 403965), (115, 242379), (135, 206471), (141, 197685), (191, 145935), (207, 134655), (235, 118611), (345, 80793), (423, 65895), (573, 48645), (621, 44885), (705, 39537), (955, 29187), (1035, 26931), (1081, 25785), (1269, 21965), (1719, 16215), (2115, 13179), (2865, 9729), (3105, 8977), (3243, 8595), (4393, 6345), (5157, 5405)]